نتایج جستجو برای: 5829 of scirpus maritimus
تعداد نتایج: 21164200 فیلتر نتایج به سال:
Ammonia-oxidizing archaea (AOA) play important roles in nitrogen and carbon cycling in marine and terrestrial ecosystems. Here, we present the draft genome sequence for the ammonia-oxidizing archaeon "Candidatus Nitrosopumilus salaria" BD31, which was enriched in culture from sediments of the San Francisco Bay estuary. The genome sequences revealed many similarities to the genome of Nitrosopumi...
In this study we analyzed the membrane lipid composition of "Candidatus Nitrosopumilus maritimus," the only cultivated representative of the cosmopolitan group I crenarchaeota and the only mesophilic isolate of the phylum Crenarchaeota. The core lipids of "Ca. Nitrosopumilus maritimus" consisted of glycerol dialkyl glycerol tetraethers (GDGTs) with zero to four cyclopentyl moieties. Crenarchaeo...
تنش غرقاب یکی از تنشهای مهم محیطی است که عملکرد گیاهان را تحت تأثیر قرار میدهد. در این تحقیق اثرات ارتفاع غرقاب بر روی عملکرد دو گونۀ مرتعی Aeluropus littoralisوJuncus maritimus مورد مطالعه قرار گرفت. این آزمایش در قالب فاکتوریل با طرح کاملاً تصادفی در 4 تیمار و 8 تکرار در محیط نیمه کنترل شده اجرا شد. بعد از گذشت 5/2 ماه از شروع آزمایش، برداشت نهایی انجام پذیرفت. ابتدا تعداد ...
Stable carbon isotope ratios of bacterial biomarkers were determined to infer sources of organic carbon used by bacteria in the sediments of three salt marshes. Biomarkers studied were polar lipid-derived fatty acids (PLFA), mainly bacteria-specific, methyl-branched i15 : 0 and a15 : 0. Experiments showed that isotopic fractionation between substrate and biomarkers was relatively constant (24 t...
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