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Bacillus amyloliquefaciens ( Almanca )

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Bacillus amyloliquefaciens ist ein begeißeltes Bakterium der Gattung Bacillus. Es ist die Quelle des BamHI-Restriktionsenzyms und synthetisiert das natürliche Antibiotikum Barnase.[1]

Merkmale

Bacillus amyloliquefaciens ist ein grampositives, stäbchenförmiges, bewegliches, peritrich begeißeltes, 0,7 bis 0,9 µm × 1,8 bis 3 µm großes Bakterium das oft in Ketten auftritt. Wie alle Bakterien der Gattung Bacillus ist B. amyloliquefaciens ein aerob wachsender Endosporenbildner, die Sporen sind ellipsenförmig. Der für das Wachstum optimale Temperaturbereich beträgt 30 bis 40 °C, unter 15 °C und über 50 °C wächst es nicht. Die Voges-Proskauer-Reaktion ist positiv und es reduziert Nitrat zu Nitrit.[2][3]

Geschichte

B. amyloliquefaciens wurde 1943 von japanischen Wissenschaftler Fukumoto entdeckt. Bis 1987 war sein Status als eigene Spezies umstritten und er galt als Unterart von Bacillus subtilis.[3]

Verwendung

Mehrere Stämme der Unterart B. amyloliquefaciens subsp. plantarum[4] werden industriell hergestellt. Der Stamm FZB 42 wird als Bodenhilfsstoff verwendet.[5] QST 713 ist in der Europäischen Union, Deutschland, Österreich und der Schweiz als Pflanzenschutzmittel zugelassen.[6] D747 ist in Italien zugelassen.[7]

Einzelnachweise

  1. Marisha A. Stanislaus, Chi-Lien Cheng: Genetically engineered self-destruction: an alternative to herbicides for cover crop systems. In: Weed Science. Band 50, Nr. 6, 2002, S. 794–801, doi:10.1614/0043-1745(2002)050[0794:GESDAA]2.0.CO;2.
  2. Paul Vos u. a. (Hrsg.): Bergey’s Manual of Systematic Bacteriology. 2. Auflage, Band 3: The Firmicutes. Springer, New York 2011, ISBN 0-387-68489-1.
  3. a b F. G. Priest, M. Goodfellow, L. A. Shute, R. C. W. Berkeley: Bacillus amyloliquefaciens sp. nov, nom. rev. In: International Journal of Systematic Bacteriology. Band 37, Nr. 1, 1987, S. 69–71, doi:10.1099/00207713-37-1-69.
  4. Rainer Boriss u. a.: Relationship of Bacillus amyloliquefaciens clades associated with strains DSM 7 and FZB42. In: International Journal of Systematic and Evolutionary Microbiology. Band 61, Nr. 8, 2011, S. 1786–1801, doi:10.1099/ijs.0.023267-0.
  5. ElSorra E. Idris, Domingo J. Iglesias, Manuel Talon, Rainer Borriss: Tryptophan-Dependent Production of Indole-3-Acetic Acid (IAA) Affects Level of Plant Growth Promotion by Bacillus amyloliquefaciens FZB42. In: Molecular Plant-Microbe Interactions®. Band 20, Nr. 6, 2007, ISSN 0894-0282, S. 619–626, doi:10.1094/MPMI-20-6-0619.
  6. Generaldirektion Gesundheit und Lebensmittelsicherheit der Europäischen Kommission: Eintrag zu Bacillus amyloliquefaciens (former subtilis) str. QST 713 in der EU-Pestiziddatenbank; Eintrag im nationalen Pflanzenschutzmittelverzeichnis Deutschlands, abgerufen am 12. Januar 2021.
  7. Generaldirektion Gesundheit und Lebensmittelsicherheit der Europäischen Kommission: Eintrag zu Bacillus amyloliquefaciens subsp. plantarum D747 in der EU-Pestiziddatenbank, abgerufen am 12. Januar 2021.
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Bacillus amyloliquefaciens: Brief Summary ( Almanca )

wikipedia DE tarafından sağlandı

Bacillus amyloliquefaciens ist ein begeißeltes Bakterium der Gattung Bacillus. Es ist die Quelle des BamHI-Restriktionsenzyms und synthetisiert das natürliche Antibiotikum Barnase.

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Bacillus amyloliquefaciens ( İngilizce )

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Bacillus amyloliquefaciens is a species of bacterium in the genus Bacillus that is the source of the BamHI restriction enzyme. It also synthesizes a natural antibiotic protein barnase, a widely studied ribonuclease that forms a famously tight complex with its intracellular inhibitor barstar, and plantazolicin, an antibiotic with selective activity against Bacillus anthracis.[1]

It is used in agriculture, aquaculture, and hydroponics to fight root pathogens such as Ralstonia solanacearum,[2][3] Pythium,[4] Rhizoctonia solani,[5] Alternaria tenuissima[6] and Fusarium[7][8] as well improve root tolerance to salt stress.[9] They are considered a growth-promoting rhizobacteria and have the ability to quickly colonize roots.[10]

Discovery and name

Bacillus amyloliquefaciens was discovered in soil 1943 by a Japanese scientist named Fukumoto,[11] who gave the bacterium its name because it produced (faciens) a liquifying (lique) amylase (amylo).

Uses

Alpha amylase from B. amyloliquefaciens is often used in starch hydrolysis. It is also a source of subtilisin, which catalyzes the breakdown of proteins in a similar way to trypsin.

Agriculture

Bacillus amyloliquefaciens is considered a root-colonizing biocontrol bacterium, and is used to fight some plant root pathogens in agriculture, aquaculture, and hydroponics. It has been shown to provide benefits to plants in both soil and hydroponic applications. It takes action against bacterial[12] and fungi pathogens, and may prevent infection though competitive exclusion or out-competing the unwanted pathogen.[2] It has been shown to be effective against several root pathogens that hurt agricultural yields in soil and hydroponics, such as Ralstonia solanacearum in cannabis sativa-hemp, tomatoes,[2][3][13] Rhizoctonia solani in lettuce,[5] Pythium in cannabis sativa-hemp & tomatoes,[4] Alternaria tenuissima in English ivy[6] and Fusarium in bananas and cucumbers.[7][8] It also appears to improve root tolerance against abiotic stress, allowing plants such as maize to tolerate high salt concentrations in hydroponic applications, while also reducing salt concentrations in the plant tissue.[9]

Status as a species

Between the 1940s and the 1980s, bacteriologists debated as to whether or not B. amyloliquefaciens was a separate species or a subspecies of Bacillus subtilis. The matter was settled in 1987; it was established to be a separate species.[14]

In the American Type Culture Collection, the number for B. amyloliquefaciens is 23350.[15]

Bacillus amyloliquefaciens FZB42, the producer of the ultranarrow-spectrum antibiotic plantazolicin, was reclassified in 2015 as B. velezensis NRRL B-41580T (along with B. methylotrophicus KACC 13015 T and B. oryzicola KACC 18228) based on phenotype and genotype coherence.[16]

References

  1. ^ Molohon, KJ; Melby, JO; Lee, J; Evans, BS; Dunbar, KL; Bumpus, SB; Kelleher, NL; Mitchell, DA (2011). "Structure Determination and Interception of Biosynthetic Intermediates for the Plantazolicin Class of Highly Discriminating Antibiotics". ACS Chem. Biol. 6 (12): 1307–1313. doi:10.1021/cb200339d. PMC 3241860. PMID 21950656.
  2. ^ a b c Tan, Shiyong; Gu, Yian; Yang, Chunlan; Dong, Yue; Mei, Xinlan; Shen, Qirong; Xu, Yangchun (2015-11-21). "Bacillus amyloliquefaciens T-5 may prevent Ralstonia solanacearum infection through competitive exclusion". Biology and Fertility of Soils. 52 (3): 341–351. doi:10.1007/s00374-015-1079-z. ISSN 0178-2762. S2CID 18128050.
  3. ^ a b Huang, Jianfeng; Wei, Zhong; Tan, Shiyong; Mei, Xinlan; Shen, Qirong; Xu, Yangchun (2014-11-05). "Suppression of Bacterial Wilt of Tomato by Bioorganic Fertilizer Made from the Antibacterial Compound Producing Strain Bacillus amyloliquefaciens HR62". Journal of Agricultural and Food Chemistry. 62 (44): 10708–10716. doi:10.1021/jf503136a. ISSN 0021-8561. PMID 25322261.
  4. ^ a b Zouari, Imen; Jlaiel, Lobna; Tounsi, Slim; Trigui, Mohamed (2016-09-01). "Biocontrol activity of the endophytic Bacillus amyloliquefaciens strain CEIZ-11 against Pythium aphanidermatum and purification of its bioactive compounds". Biological Control. 100: 54–62. doi:10.1016/j.biocontrol.2016.05.012.
  5. ^ a b Grube, Martin; Schloter, Michael; Smalla, Kornelia; Berg, Gabriele (2015-01-22). The plant microbiome and its importance for plant and human health. Frontiers E-books. pp. 117–124. ISBN 9782889193783. Archived from the original on 2023-03-05. Retrieved 2023-03-05.
  6. ^ a b Soares, Marcos Antônio; Li, Hai-Yan; Bergen, Marshall; Silva, Joaquim Manoel da; Kowalski, Kurt P.; White, James Francis (2015-08-22). "Functional role of an endophytic Bacillus amyloliquefaciens in enhancing growth and disease protection of invasive English ivy (Hedera helix L.)". Plant and Soil. 405 (1–2): 107–123. doi:10.1007/s11104-015-2638-7. ISSN 0032-079X. S2CID 17856428.
  7. ^ a b Shen, Zongzhuan; Wang, Beibei; Lv, Nana; Sun, Yifei; Jiang, Xinyi; Li, Rong; Ruan, Yunze; Shen, Qirong (2015-06-03). "Effect of the combination of bio-organic fertiliser with Bacillus amyloliquefaciens NJN-6 on the control of banana Fusarium wilt disease, crop production and banana rhizosphere culturable microflora". Biocontrol Science and Technology. 25 (6): 716–731. doi:10.1080/09583157.2015.1010482. ISSN 0958-3157. S2CID 84093418.
  8. ^ a b Liu, Yunpeng; Zhang, Nan; Qiu, Meihua; Feng, Haichao; Vivanco, Jorge M.; Shen, Qirong; Zhang, Ruifu (2014-04-01). "Enhanced rhizosphere colonization of beneficial Bacillus amyloliquefaciens SQR9 by pathogen infection". FEMS Microbiology Letters. 353 (1): 49–56. doi:10.1111/1574-6968.12406. ISSN 1574-6968. PMID 24612247.
  9. ^ a b Chen, Lin; Liu, Yunpeng; Wu, Gengwei; Veronican Njeri, Kimani; Shen, Qirong; Zhang, Nan; Zhang, Ruifu (2016-09-01). "Induced maize salt tolerance by rhizosphere inoculation of Bacillus amyloliquefaciens SQR9". Physiologia Plantarum. 158 (1): 34–44. doi:10.1111/ppl.12441. ISSN 1399-3054. PMID 26932244.
  10. ^ Qiu, Meihua; Xu, Zhihui; Li, Xingxing; Li, Qing; Zhang, Nan; Shen, Qirong; Zhang, Ruifu (2014-12-05). "Comparative Proteomics Analysis of Bacillus amyloliquefaciens SQR9 Revealed the Key Proteins Involved in in Situ Root Colonization". Journal of Proteome Research. 13 (12): 5581–5591. doi:10.1021/pr500565m. ISSN 1535-3893. PMID 25299960.
  11. ^ J. Fukumoto (1943). "Studies on the production of bacterial amylase. I. Isolation of bacteria secreting potent amylases and their distribution". Journal of the Agricultural Chemical Society of Japan (in Japanese). 19 (7): 487–503. doi:10.1271/nogeikagaku1924.19.7_487.
  12. ^ Wu, Liming; Wu, Huijun; Chen, Lina; Lin, Ling; Borriss, Rainer; Gao, Xuewen (2014-12-04). "Bacilysin overproduction in Bacillus amyloliquefaciens FZB42 markerless derivative strains FZBREP and FZBSPA enhances antibacterial activity". Applied Microbiology and Biotechnology. 99 (10): 4255–4263. doi:10.1007/s00253-014-6251-0. ISSN 0175-7598. PMID 25472439. S2CID 14637275.
  13. ^ Tan, Shiyong; Jiang, Yi; Song, Song; Huang, Jianfeng; Ling, Ning; Xu, Yangchun; Shen, Qirong (2013-01-01). "Two Bacillus amyloliquefaciens strains isolated using the competitive tomato root enrichment method and their effects on suppressing Ralstonia solanacearum and promoting tomato plant growth". Crop Protection. 43: 134–140. doi:10.1016/j.cropro.2012.08.003.
  14. ^ *F. G. Priest; M. Goodfellow; L. A. Shute; R. C. W. Berkeley (1987). "Bacillus amyloliquefaciens sp. nov., nom. rev". International Journal of Systematic Bacteriology. 37 (1): 69–71. doi:10.1099/00207713-37-1-69.
  15. ^ "ATCC 23350 Strain Passport - StrainInfo". www.straininfo.net. Retrieved 2016-09-21.
  16. ^ Dunlap CA, Kim SJ, Kwon SW, Rooney AP (2015). "Bacillus velezensis is not a later heterotypic synonym of Bacillus amyloliquefaciens; Bacillus methylotrophicus, Bacillus amyloliquefaciens subsp plantarum and 'Bacillus oryzicola' are later heterotypic synonyms of Bacillus velezensis based on phylogenomics". Int. J. Syst. Evol. Microbiol. 66 (3): 1212–1217. doi:10.1099/ijsem.0.000858. PMID 26702995.

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Bacillus amyloliquefaciens: Brief Summary ( İngilizce )

wikipedia EN tarafından sağlandı

Bacillus amyloliquefaciens is a species of bacterium in the genus Bacillus that is the source of the BamHI restriction enzyme. It also synthesizes a natural antibiotic protein barnase, a widely studied ribonuclease that forms a famously tight complex with its intracellular inhibitor barstar, and plantazolicin, an antibiotic with selective activity against Bacillus anthracis.

It is used in agriculture, aquaculture, and hydroponics to fight root pathogens such as Ralstonia solanacearum, Pythium, Rhizoctonia solani, Alternaria tenuissima and Fusarium as well improve root tolerance to salt stress. They are considered a growth-promoting rhizobacteria and have the ability to quickly colonize roots.

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wikipedia EN

Bacillus amyloliquefaciens ( İspanyolca; Kastilyaca )

wikipedia ES tarafından sağlandı

Bacillus amyloliquefaciens es una especie de bacteria del género Bacillus, fuente del BamHI enzima de restricción, y sintetizadora de una proteína antibiótica natural, la barnasa, una ribonucleasa ampliamente estudiada que forma un famoso complejo cerrado con su inhibidor intracelular, el barstar, y plantazolicina, un antibiótico con actividad selectiva en contra Bacilo anthracis. [1]

El mismo utilizado en agricultura, acuicultura, e hidroponía para combatir patógenos de raíz como Ralstonia solanacearum, Pythium, Rhizoctonia solani, Alternaria tenuissima[2]​ y Fusarium,[3][4]​ así como mejorar la tolerancia de las raíces al estrés salino.[5][6][7][8][9]​ Se consideran rizobacterias promotoras de crecimiento y tienen la capacidad de colonizar rápidamente las raíces.[10]

Referencias

  1. Molohon, KJ; Melby, JO; Lee, J; Evans, BS; Dunbar, KL; Bumpus, SB; Kelleher, NL; Mitchell, DA (2011). «Structure Determination and Interception of Biosynthetic Intermediates for the Plantazolicin Class of Highly Discriminating Antibiotics». ACS Chem. Biol. 6 (12): 1307-1313. PMC 3241860. PMID 21950656. doi:10.1021/cb200339d.
  2. Soares, Marcos Antônio; Li, Hai-Yan; Bergen, Marshall; Silva, Joaquim Manoel da; Kowalski, Kurt P.; White, James Francis (22 de agosto de 2015). «Functional role of an endophytic Bacillus amyloliquefaciens in enhancing growth and disease protection of invasive English ivy (Hedera helix L.)». Plant and Soil (en inglés) 405 (1–2): 107-123. ISSN 0032-079X. doi:10.1007/s11104-015-2638-7.
  3. Shen, Zongzhuan; Wang, Beibei; Lv, Nana; Sun, Yifei; Jiang, Xinyi; Li, Rong; Ruan, Yunze; Shen, Qirong (3 de junio de 2015). «Effect of the combination of bio-organic fertiliser with Bacillus amyloliquefaciens NJN-6 on the control of banana Fusarium wilt disease, crop production and banana rhizosphere culturable microflora». Biocontrol Science and Technology 25 (6): 716-731. ISSN 0958-3157. doi:10.1080/09583157.2015.1010482.
  4. Liu, Yunpeng; Zhang, Nan; Qiu, Meihua; Feng, Haichao; Vivanco, Jorge M.; Shen, Qirong; Zhang, Ruifu (1 de abril de 2014). «Enhanced rhizosphere colonization of beneficial Bacillus amyloliquefaciens SQR9 by pathogen infection». FEMS Microbiology Letters (en inglés) 353 (1): 49-56. ISSN 1574-6968. PMID 24612247. doi:10.1111/1574-6968.12406.
  5. Tan, Shiyong; Gu, Yian; Yang, Chunlan; Dong, Yue; Mei, Xinlan; Shen, Qirong; Xu, Yangchun (21 de noviembre de 2015). «Bacillus amyloliquefaciens T-5 may prevent Ralstonia solanacearum infection through competitive exclusion». Biology and Fertility of Soils (en inglés) 52 (3): 341-351. ISSN 0178-2762. doi:10.1007/s00374-015-1079-z.
  6. Huang, Jianfeng; Wei, Zhong; Tan, Shiyong; Mei, Xinlan; Shen, Qirong; Xu, Yangchun (5 de noviembre de 2014). «Suppression of Bacterial Wilt of Tomato by Bioorganic Fertilizer Made from the Antibacterial Compound Producing Strain Bacillus amyloliquefaciens HR62». Journal of Agricultural and Food Chemistry 62 (44): 10708-10716. ISSN 0021-8561. PMID 25322261. doi:10.1021/jf503136a.
  7. Zouari, Imen; Jlaiel, Lobna; Tounsi, Slim; Trigui, Mohamed (1 de septiembre de 2016). «Biocontrol activity of the endophytic Bacillus amyloliquefaciens strain CEIZ-11 against Pythium aphanidermatum and purification of its bioactive compounds». Biological Control 100: 54-62. doi:10.1016/j.biocontrol.2016.05.012.
  8. Grube, Martin; Schloter, Michael; Smalla, Kornelia; Berg, Gabriele (22 de enero de 2015). The plant microbiome and its importance for plant and human health (en inglés). Frontiers E-books. pp. 117-124. ISBN 9782889193783.
  9. Chen, Lin; Liu, Yunpeng; Wu, Gengwei; Veronican Njeri, Kimani; Shen, Qirong; Zhang, Nan; Zhang, Ruifu (1 de septiembre de 2016). «Induced maize salt tolerance by rhizosphere inoculation of Bacillus amyloliquefaciens SQR9». Physiologia Plantarum (en inglés) 158 (1): 34-44. ISSN 1399-3054. PMID 26932244. doi:10.1111/ppl.12441.
  10. Qiu, Meihua; Xu, Zhihui; Li, Xingxing; Li, Qing; Zhang, Nan; Shen, Qirong; Zhang, Ruifu (5 de diciembre de 2014). «Comparative Proteomics Analysis of Bacillus amyloliquefaciens SQR9 Revealed the Key Proteins Involved in in Situ Root Colonization». Journal of Proteome Research 13 (12): 5581-5591. ISSN 1535-3893. PMID 25299960. doi:10.1021/pr500565m.

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Bacillus amyloliquefaciens: Brief Summary ( İspanyolca; Kastilyaca )

wikipedia ES tarafından sağlandı

Bacillus amyloliquefaciens es una especie de bacteria del género Bacillus, fuente del BamHI enzima de restricción, y sintetizadora de una proteína antibiótica natural, la barnasa, una ribonucleasa ampliamente estudiada que forma un famoso complejo cerrado con su inhibidor intracelular, el barstar, y plantazolicina, un antibiótico con actividad selectiva en contra Bacilo anthracis. ​

El mismo utilizado en agricultura, acuicultura, e hidroponía para combatir patógenos de raíz como Ralstonia solanacearum, Pythium, Rhizoctonia solani, Alternaria tenuissima​ y Fusarium,​​ así como mejorar la tolerancia de las raíces al estrés salino.​​​​​ Se consideran rizobacterias promotoras de crecimiento y tienen la capacidad de colonizar rápidamente las raíces.​

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Bacillus amyloliquefaciens ( Fince )

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Bacillus amyloliquefaciens on grampositiivinen, sauvamainen bakteeri. Sitä on eristetty muun muassa kosteusvaurioituneista rakennuksista. Sen on osoitettu tuottavan toksiinia, joka oli erittäin myrkyllinen sian siittiötestissä.[1] Sittemmin tämä toksiini nimettiin amylosiiniksi. Basillia käytetään teollisesti proteaasien, lämmönkestävien amylaasien sekä aminohappojen tuotantoon.

Lähteet

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Bacillus amyloliquefaciens: Brief Summary ( Fince )

wikipedia FI tarafından sağlandı

Bacillus amyloliquefaciens on grampositiivinen, sauvamainen bakteeri. Sitä on eristetty muun muassa kosteusvaurioituneista rakennuksista. Sen on osoitettu tuottavan toksiinia, joka oli erittäin myrkyllinen sian siittiötestissä. Sittemmin tämä toksiini nimettiin amylosiiniksi. Basillia käytetään teollisesti proteaasien, lämmönkestävien amylaasien sekä aminohappojen tuotantoon.

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Bacillus amyloliquefaciens ( Fransızca )

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Bacillus amyloliquefaciens est une bactérie à Gram positif du genre Bacillus. Il s'agit d'un bacille de 0,7 à 0,9 × 1,8 à 3 µm, motile, pourvue d'une ciliature péritriche. Elle se développe de façon optimale de 30 à 40 °C et cesse de se développer hors d'un intervalle de températures de 15 à 50 °C. La réaction de Voges-Proskauer est positive, et le nitrate est réduit en nitrite[2].

Elle produit la subtilisine, une protéase qui dégrade les protéines de façon semblable à celle de la trypsine. L'α-amylase de B. amyloliquefaciens est souvent utilisée pour l'hydrolyse de l'amidon. Cette bactérie produit également l'enzyme de restriction BamHI, ainsi que la barnase, une ribonucléase qui forme un complexe étroit avec le barstar, son inhibiteur intracellulaire, ainsi qu'avec la plantazolicine (en), substance douée d'une possible activité contre Bacillus anthracis.

Notes et références

  1. (en) Référence NCBI : Bacillus amyloliquefaciens (taxons inclus)
  2. (en) F. G. Priest, M. Goodfellow, L. A. Shute et R. C. W. Berkeley, « Bacillus amyloliquefaciens sp. nov., nom. rev. », International Journal of Systematic and Evolutionary Microbiology, vol. 37, no 1,‎ janvier 1987, p. 69-71 (DOI , lire en ligne)
  • (en) M. Heyndrickx, L. Lebbe, M. Vancanneyt, K. Kersters, P. De Vos, N. A. Logan, G. Forsyth, S. Nazli, N. Ali et R. C. W. Berkeley, « A Polyphasic Reassessment of the Genus Aneurinibacillus, Reclassification of Bacillus thermoaerophilus (Meier-Stauffer et al. 1996) as Aneurinibacillus thermoaerophilus comb, nov., and Emended Descriptions of A. aneurinilyticus corrig., A. migulanus, and A. thermoaerophilus », International Journal of Systematic and Evolutionary Microbiology, vol. 47, no 3,‎ juillet 1997, p. 808-817 (DOI , lire en ligne)
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Bacillus amyloliquefaciens: Brief Summary ( Fransızca )

wikipedia FR tarafından sağlandı

Bacillus amyloliquefaciens est une bactérie à Gram positif du genre Bacillus. Il s'agit d'un bacille de 0,7 à 0,9 × 1,8 à 3 µm, motile, pourvue d'une ciliature péritriche. Elle se développe de façon optimale de 30 à 40 °C et cesse de se développer hors d'un intervalle de températures de 15 à 50 °C. La réaction de Voges-Proskauer est positive, et le nitrate est réduit en nitrite.

Elle produit la subtilisine, une protéase qui dégrade les protéines de façon semblable à celle de la trypsine. L'α-amylase de B. amyloliquefaciens est souvent utilisée pour l'hydrolyse de l'amidon. Cette bactérie produit également l'enzyme de restriction BamHI, ainsi que la barnase, une ribonucléase qui forme un complexe étroit avec le barstar, son inhibiteur intracellulaire, ainsi qu'avec la plantazolicine (en), substance douée d'une possible activité contre Bacillus anthracis.

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Bacillus amyloliquefaciens ( Galiçyaca )

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Bacillus amyloliquefaciens é unha especie de bacterias do xénero Bacillus que é a fonte do encima de restrición BamH1. Tamén sintetiza unha proteína antibiótica chamada barnase, unha ribonuclease moi estudada que forma un complexo co seu inhibidor intracelular barstar, e a plantazolicina, que é un antibiótico con actividade selectiva contra Bacillus anthracis.[1]

Descubrimento e nome

B. amyloliquefaciens foi descuberto no solo en 1943 polo científico xaponés J. Fukumoto,[2] que lle deu á bacteria o seu nome, que significa que produce a licuefacción do amidón (amylo + lique + faciens).

Usos

A alfa amilase de B. amyloliquefaciens úsase a miúdo na hidrólise do amidón. É tamén unha fonte de subtilisina, que cataliza a degradación de proteínas dun modo similar ao da tripsina.

Status como especie

Entre as décadas de 1940 e 1980, os bacteriólogos debateron sobre se B. amyloliquefaciens era realmente unha especie separada ou unha subespecie de Bacillus subtilis. O asunto quedou solucionado en 1987, cando se estableceu que era unha especie separada.[3]

Na Colección de cultivos tipo americana (ATCC), o número do B. amyloliquefaciens é 23350.

Notas

  1. Molohon KJ, Melby JO, Lee J, Evans BS, Dunbar KL, Bumpus SB, Kelleher NL, Mitchell DA (2011). “Structure Determination and Interception of Biosynthetic Intermediates for the Plantazolicin Class of Highly Discriminating Antibiotics”. ACS Chem. Biol. 6 (12): 1307-1313. doi: 10.1021/cb200339d. PMID 21950656.
  2. J. Fukumoto (1943). "Studies on the production of bacterial amylase. I. Isolation of bacteria secreting potent amylases and their distribution". Journal of the Agricultural Chemical Society of Japan (en Japanese) 19: 487–503.
  3. *F. G. Priest, M. Goodfellow, L. A. Shute & R. C. W. Berkeley (1987). "Bacillus amyloliquefaciens sp. nov., nom. rev.". International Journal of Systematic Bacteriology 37 (1): 69–71. doi:10.1099/00207713-37-1-69.
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Bacillus amyloliquefaciens: Brief Summary ( Galiçyaca )

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Bacillus amyloliquefaciens é unha especie de bacterias do xénero Bacillus que é a fonte do encima de restrición BamH1. Tamén sintetiza unha proteína antibiótica chamada barnase, unha ribonuclease moi estudada que forma un complexo co seu inhibidor intracelular barstar, e a plantazolicina, que é un antibiótico con actividade selectiva contra Bacillus anthracis.

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Bacillus amyloliquefaciens ( Portekizce )

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Bacillus amyloliquefaciens é uma espécie de bactérias do género Bacillus que é a fonte da enzima de restrição BamH1. Também sintetiza uma proteína antibiótica chamada barnase, uma ribonuclease muito estudada que forma um complexo com o seu inibidor intracelular barstar, e a plantazolicina, que é um antibiótico com actividade selectiva contra Bacillus anthracis.[1]

Descoberta e nome

B. amyloliquefaciens foi descoberta no solo em 1943 pelo cientista japonês J. Fukumoto,[2] que cunhou o nome à bactéria, que significa que produz a liquefacção do amido (amylo + lique + faciens).

Usos

A alfa-amilase de B. amyloliquefaciens é muitas vezes usada na hidrólise do amido. É também uma fonte de subtilisina, que catalisa a degradação de proteínas dum modo similar ao da tripsina.

Status como espécie

Entre as décadas de 1940 e 1980, os bacteriólogos debateram sobre se B. amyloliquefaciens era realmente uma espécie separada ou uma subespécie de Bacillus subtilis. Esta questão ficou resolvida em 1987, quando se estabeleceu que era uma espécie separada.[3]

Na American Type Culture Collection (ATCC), o número do B. amyloliquefaciens é 23350.

Referências

  1. Molohon KJ, Melby JO, Lee J, Evans BS, Dunbar KL, Bumpus SB, Kelleher NL, Mitchell DA (2011). “Structure Determination and Interception of Biosynthetic Intermediates for the Plantazolicin Class of Highly Discriminating Antibiotics”. ACS Chem. Biol. 6 (12): 1307-1313. doi: 10.1021/cb200339d. PMID 21950656.
  2. J. Fukumoto (1943). «Studies on the production of bacterial amylase. I. Isolation of bacteria secreting potent amylases and their distribution». Journal of the Agricultural Chemical Society of Japan (em japonês). 19: 487–503
  3. *F. G. Priest, M. Goodfellow, L. A. Shute & R. C. W. Berkeley (1987). «Bacillus amyloliquefaciens sp. nov., nom. rev.». International Journal of Systematic Bacteriology. 37 (1): 69–71. doi:10.1099/00207713-37-1-69 !CS1 manut: Nomes múltiplos: lista de autores (link)
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Bacillus amyloliquefaciens: Brief Summary ( Portekizce )

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Bacillus amyloliquefaciens é uma espécie de bactérias do género Bacillus que é a fonte da enzima de restrição BamH1. Também sintetiza uma proteína antibiótica chamada barnase, uma ribonuclease muito estudada que forma um complexo com o seu inibidor intracelular barstar, e a plantazolicina, que é um antibiótico com actividade selectiva contra Bacillus anthracis.

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Bacillus amyloliquefaciens ( İsveççe )

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Bacillus amyloliquefaciens är en grampositiv stavformad bakterie. Den förekommer ofta i jord ute i naturen. Bakterien har visat sig värdefull eftersom den innehåller ett enzym som effektivt bryter ner proteiner. Bakterien upptäcktes 1943 av den japanske forskaren Fukumoto.

Agar plate with colonies.jpg Denna bakterier- eller bakteriologi-relaterade artikel saknar väsentlig information. Du kan hjälpa till genom att tillföra sådan.
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Bacillus amyloliquefaciens: Brief Summary ( İsveççe )

wikipedia SV tarafından sağlandı

Bacillus amyloliquefaciens är en grampositiv stavformad bakterie. Den förekommer ofta i jord ute i naturen. Bakterien har visat sig värdefull eftersom den innehåller ett enzym som effektivt bryter ner proteiner. Bakterien upptäcktes 1943 av den japanske forskaren Fukumoto.

Agar plate with colonies.jpg Denna bakterier- eller bakteriologi-relaterade artikel saknar väsentlig information. Du kan hjälpa till genom att tillföra sådan.
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