The Rhizobium GstI Protein Reduces the NH4+ Assimilation Capacity of Rhizobium leguminosarum
نویسندگان
چکیده
منابع مشابه
Rhizobium gone native: unexpected plasmid stability of indigenous Rhizobium leguminosarum.
Lateral transfer of bacterial plasmids is thought to play an important role in microbial evolution and population dynamics. However, this assumption is based primarily on investigations of medically or agriculturally important bacterial species. To explore the role of lateral transfer in the evolution of bacterial systems not under intensive, human-mediated selection, we examined the associatio...
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Congo red absorption is generally considered a contraindication of Rhizobium. However, R. leguminosarum takes up the dye on yeast extract-mannitol agar. The uptake of congo red varies among strains of R. leguminosarum, as shown elsewhere with strains of R. trifolii and R. meliloti. Congo red absorption does not distinguish rhizobia from other bacteria, but may be useful as a strain marker.
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In Rhizobium strains the transcription of symbiosis plasmid-localized nod genes, except nodD, is induced by plant flavonoids and requires the nodD gene product. In order to localize NodD protein in R. leguminosarum, a NodD protein-specific antiserum was raised against a lacZ'-'nodD gene fusion product. Using these antibodies, we determined that the NodD protein is located exclusively in the cyt...
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Rhizobium leguminosarum bv. viciae RCAM1026 is a strain first isolated in 1964 from nodules of "Ramensky 77" cultivar of garden pea (Pisum sativum L.) now routinely used as a model strain in inoculation experiments on pea. Assembly with SPAdes yielded 133 contigs longer then 200 bp (N50 = 202,321, GC% = 60.84). Resulting annotated genome is 7,248,686 bp encoding 6792 genes.
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نیتروژن یکی از مهمترین و پرنیازترین عناصر برای رشد گیاهان است. نیتروژن در کشاورزی، معمولا از طریق کود شیمیایی در اختیار گیاه قرار می‌گیرد که باعث مشکلات زیست محیطی فراوانی می‌شود.. تثبیت زیستی نیتروژن از پدیده‌های طبیعی و استثنایی است که توسط گروهی از باکتری‌ها از جمله ریزوبیوم‌ها انجام می‌شود. باکتری اختصاصی همزیست تثبیت کننده نیتروژن باقلا Rhizobium leguminosarum bv. viciae می‌باشد. یکی از را...
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ژورنال
عنوان ژورنال: Molecular Plant-Microbe Interactions®
سال: 2001
ISSN: 0894-0282,1943-7706
DOI: 10.1094/mpmi.2001.14.7.823