نتایج جستجو برای: streptomyces griseoflavus

تعداد نتایج: 13467  

Journal: :FEMS microbiology ecology 2014
Daniel C Schlatter Linda L Kinkel

Although recent molecular techniques have greatly expanded our knowledge of microbial biogeography, the functional biogeography of soil microorganisms remains poorly understood. In this work, we explore geographic variation in Streptomyces phenotypes that are critical to species interactions. Specifically, we characterize Streptomyces from different locations from multiple continents for antibi...

Journal: :Journal of bacteriology 2013
Margaret C M Smith Roger W Hendrix Rebekah Dedrick Kaitlin Mitchell Ching-Chung Ko Daniel Russell Emma Bell Matthew Gregory Maureen J Bibb Florence Pethick Deborah Jacobs-Sera Paul Herron Mark J Buttner Graham F Hatfull

The genome sequences of eight Streptomyces phages are presented, four of which were isolated for this study. Phages R4, TG1, Hau3, and SV1 were isolated previously and have been exploited as tools for understanding and genetically manipulating Streptomyces spp. We also extracted five apparently intact prophages from recent Streptomyces spp. genome projects and, together with six phage genomes i...

2016
Hisayuki Komaki Natsuko Ichikawa Akio Oguchi Moriyuki Hamada Enjuro Harunari Shinya Kodani Nobuyuki Fujita Yasuhiro Igarashi

Streptomyces sp. TP-A0867 (=NBRC 109436) produces structurally complex polyketides designated alchivemycins A and B. Here, we report the draft genome sequence of this strain together with features of the organism and assembly, annotation, and analysis of the genome sequence. The 9.9 Mb genome of Streptomyces sp. TP-A0867 encodes 8,385 putative ORFs, of which 7,232 were assigned with COG categor...

ژورنال: :دانش آب و خاک 0
زهرا پورمیرزائی دانشگاه تبریز ناصر علی¬اصغرزاد دانشگاه تبریز نصرت¬اله نجفی دانشگاه تبریز

قارچ­های میکوریز آربوسکولار (am) از دیرباز به­عنوان همزیست ریشه اکثر گیاهان در بهبود رشد آنها در شرایط فقر غذایی و تنش­های محیطی مؤثر شناخته شده است. شواهدی وجود دارد که حضور برخی میکروارگانیسم­ها از جمله اکتینومیست­ها یا برخی متابولیت­های حاصل از آنها با افزایش سرعت و مقدار تندش اسپور قارچ­های am و تولید هیف­های بیشتر، تکثیر انبوه این قارچ­ها را فراهم کرده و پتانسیل زادمایه آنها را افزایش داده...

Journal: :International journal of systematic and evolutionary microbiology 2012
Rakesh Santhanam Chinyere K Okoro Xiaoying Rong Ying Huang Alan T Bull Hang-Yeon Weon Barbara A Andrews Juan A Asenjo Michael Goodfellow

The taxonomic position of a Streptomyces strain isolated from an extreme hyper-arid soil sample collected from the Atacama Desert was determined using a polyphasic approach. The strain, isolate C60(T), had chemical and morphological features typical of members of the genus Streptomyces and formed a distinct phyletic line in the Streptomyces 16S rRNA gene tree, together with the type strain of S...

2017
Di Sun Cong Liu Jingrong Zhu Weijie Liu

The gram-positive filamentous bacterium Streptomyces is one of the largest resources for bioactive metabolites, particularly antibiotics. Antibiotic production and other metabolic processes are tightly regulated at the transcriptional level. Sigma (σ) factors are components of bacterial RNA polymerases that determine promoter specificity. In Streptomyces, σ factors also play essential roles in ...

2016
Qian Liu Liping Xiao Yuanjie Zhou Kunhua Deng Gaoyi Tan Yichao Han Xinhua Liu Zixin Deng Tiangang Liu

Microbial-derived natural products are important in both the pharmaceutical industry and academic research. As the metabolic potential of original producer especially Streptomyces is often limited by slow growth rate, complicated cultivation profile, and unfeasible genetic manipulation, so exploring a Streptomyces as a super industrial chassis is valuable and urgent. Streptomyces sp. FR-008 is ...

Journal: :Journal of bacteriology 1958
A H ROMANO W J NICKERSON

There have been several investigations on the amino acid nutrition of Streptomyces. Early work on this subject by Waksman (1920) showed that certain single amino acids satisfied the nitrogen requirements of representative species of the genus Streptomyces. Considerable specificity in the ability to deaminate amino acids is exhibited by Streptomyces, as Woodruff and Foster (1943) have shown with...

2016
Annabelle Thibessard Pierre Leblond

The sequence of Streptomyces ambofaciens DSM 40697 was completely determined. The genome consists of an 8.1-Mbp linear chromosome with terminal inverted repeats of 210 kb. Genomic islands were identified, one of which corresponds to a new putative integrative and conjugative element (ICE) called pSAM3.

2017
Vineetha M Zacharia Matthew F Traxler

Streptomyces bacteria employ a newly-discovered cell type, the "explorer" cell, to rapidly colonize new areas in the face of competition.

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