نتایج جستجو برای: haloarcula sp iru1
تعداد نتایج: 120431 فیلتر نتایج به سال:
ing research had led to a general understanding of riboThe recent solution of ribosome structure at atomic ressome morphology and function. Electron microscopy of olution by X-ray crystallography represents a quantum negatively stained 50S and 30S subunits from E. coli leap in our understanding of the mechanism of protein showed that the former possesses a chunky, almost synthesis. Notably, the...
During translation, tRNAs cycle through three binding sites on the ribosome: the A, the P, and the E sites. We have determined the structures of complexes between the Haloarcula marismortui large ribosomal subunit and two different E site substrates: a deacylated tRNA acceptor stem minihelix and a CCA-acceptor end. Both of these tRNA mimics contain analogs of adenosine 76, the component respons...
Gravity is the fundamental force that may have operated during the evolution of life on Earth. It is thus important to understand as to what the effects of gravity are on cellular life. The studies related to effect of microgravity on cells may provide greater insights in understanding of how the physical force of gravity shaped life on Earth. The present study focuses on a unique group of orga...
سیب زمینی با تولید حدود ?00 میلیون تن در سال، چهارمین محصول مهم غذایی در جهان است. این گیاه در معرض بیماری های قارچی، باکتریایی، ویروسی و مایکوپلاسمایی زیادی است که به آن خسارت وارد می کنند. بیماری پژمردگی باکتریایی سیب زمینی ناشی از ralstonia solanacearum یکی از مهمترین بیماری های این محصول است که از مناطق مختلف ایران گزارش شده است. بر اساس گزارش های موجود این بیماری در ایران توسط نژاد 3 ( بیو...
Solar salterns operate only for short dry periods of the year in the north shore of the Adriatic Sea because of its relatively humid and cold Mediterranean climate. In a previous paper, we showed that the NaCl precipitation ponds (crystallizers) of Northern Adriatic Secovlje salterns have different haloarchaeal populations from those typically found in dry and hot climates such as Southern Spai...
Members of the family Halobacteriaceae in the domain Archaea are obligate extreme halophiles. They occupy a variety of hypersaline environments, and their cellular biochemistry functions in a nearly saturated salty milieu. Despite extensive study, a detailed analysis of their growth kinetics is missing. To remedy this, Arrhenius plots for 14 type species of the family were generated. These orga...
UNLABELLED Haloarcula japonica, an extremely halophilic archaeon that requires high concentrations of NaCl for growth, accumulates the C50 carotenoid bacterioruberin (BR). By homology analysis, a gene cluster, including c0507, c0506, and c0505, was found and predicted to be involved in the synthesis of bacterioruberin. To elucidate the function of the encoded enzymes, we constructed Ha. japonic...
Hydrothermal vents, known as 'fumaroles', are ubiquitous features of geothermal areas. Although their geology has been extensively characterized, little is known about the subsurface microbial ecology of fumaroles largely because of the difficulty in collecting sufficient numbers of cells from boiling steam water for DNA extraction and culture isolation. Here we describe the first collection, m...
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