نتایج جستجو برای: bacillus amyloliquefaciens و azospirillum oryzae

تعداد نتایج: 822351  

2006
Dhanya Gangadharan Swetha Sivaramakrishnan Kesavan Madhavan Nampoothiri Ashok Pandey

Fourteen different agroresidues were screened for alpha amylase production using Bacillus amyloliquefaciens ATCC 23842. Among them, wheat bran (WB) and groundnut oil cake (GOC) in mass ratio of 1:1 was proved as the best substrate source. Supplementation with 0.01 M KH2PO4 and 1 % soluble starch enhanced the enzyme yield considerably. Maximum enzyme recovery from the solid mass was obtained whe...

2017
Kihyun Kim Yoonji Lee Areum Ha Ji-In Kim Ae Ran Park Nan Hee Yu Hokyoung Son Gyung Ja Choi Hae Woong Park Chul Won Lee Theresa Lee Yin-Won Lee Jin-Cheol Kim

Fusarium head blight (FHB) caused by infection with Fusarium graminearum leads to enormous losses to crop growers, and may contaminate grains with a number of Fusarium mycotoxins that pose serious risks to human and animal health. Antagonistic bacteria that are used to prevent FHB offer attractive alternatives or supplements to synthetic fungicides for controlling FHB without the negative effec...

2017
Miao Ye Linghong Sun Ru Yang Zaigui Wang KeZong Qi

The proper culture conditions for producing cellulase of Bacillus amyloliquefaciens S1, isolated from the cecum of goose was optimized by single-factor experiment combined with orthogonal test. The properties of the cellulase were investigated by DNS method. The appropriate doses of B. amyloliquefaciens S1 were obtained by adding them to goose feed. It indicated that the suitable culture condit...

Journal: :Applied and environmental microbiology 1985
D M Halsall A H Gibson

Mixed cultures of Cellulomonas gelida plus Azospirillum lipoferum or Azospirillum brasilense and C. gelida plus Bacillus macerans were shown to degrade cellulose and straw and to utilize the energy-yielding products to fix atmospheric nitrogen. This cooperative process was followed over 30 days in sand-based cultures in which the breakdown of 20% of the cellulose and 28 to 30% of the straw resu...

2017
Anto Budiharjo Haeyoung Jeong Dyah Wulandari Soohyun Lee Choong-Min Ryu

Bacillus altitudinis P-10 was isolated from the rhizosphere of rice grown in an organic rice field and provides strong antagonism against the bacterial blight caused by Xanthomonas oryzae pv. oryzae in rice. Herein, we provide the complete genome sequence and a possible explanation of the antibiotic function of the P-10 strain.

Journal: :Canadian journal of microbiology 2006
Y Zhang W G D Fernando T R de Kievit C Berry F Daayf T C Paulitz

Pseudomonas chlororaphis PA23, Pseudomonas spp. strain DF41, and Bacillus amyloliquefaciens BS6 consistently inhibit infection of canola petals by Sclerotinia sclerotiorum in both greenhouse and field experiments. Bacillus thuringiensis BS8, Bacillus cereus L, and Bacillus mycoides S have shown significant inhibition against S. sclerotiorum on plate assays. The presence of antibiotic biosynthet...

2017
Yan Zhi Qun Wu Yan Xu

Natural Bacillus isolates generate limited amounts of surfactin (<10% of their biomass), which functions as an antibiotic or signalling molecule in inter-/intra-specific interactions. However, overproduction of surfactin in Bacillus amyloliquefaciens MT45 was observed at a titre of 2.93 g/l, which is equivalent to half of the maximum biomass. To systemically unravel this efficient biosynthetic ...

2013
Mohamed A. Hassan Bakry M. Haroun Amro A. Amara Ehab A. Serour

Novel keratin-degrading bacteria were isolated from sand soil samples collected from Minia Governorate, Egypt. In this study, the isolates were identified as Bacillus amyloliquefaciens MA20 and Bacillus subtilis MA21 based on morphological and biochemical characteristics as well as 16S rRNA gene sequencing. B. amyloliquefaciens MA20 and B. subtilis MA21 produced alkaline keratinolytic serine pr...

Journal: :Journal of natural products 2007
Kathrin Schneider Xiao-Hua Chen Joachim Vater Peter Franke Graeme Nicholson Rainer Borriss Roderich D Süssmuth

In the genome of Bacillus amyloliquefaciens FZB42, three operons pks1, pks2, and pks3 were identified which encode the biosynthesis of polyketides. pks1 and pks3 have been attributed to the production of bacillaene and difficidin/oxydifficidin, respectively, while the pks2 product remained hitherto unknown. Mass spectrometric analysis of the culture filtrates of the wild-type B. amyloliquefacie...

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