نتایج جستجو برای: l m sativa

تعداد نتایج: 1073757  

Journal: :Genetics and molecular research : GMR 2014
Y Sun C H Xu M Q Wang D Y Zhi G M Xia

A broad spectrum of genetic and epigenetic changes is induced by wide hybridization and subsequent polyploidization, but the timing of these events remains obscure because early hybrid cells are very difficult to harvest and analyze. Here, we used both cytological and genetic marker approaches to analyze the constitution of very young somatic hybrid cells between japonica rice (Oryza sativa L. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ملایر - دانشکده علوم پایه 1392

گیاه سیاهدانه (nigella sativa l.) متعلق به خانواده ranunculaceae است. بذرهایn. sativa محتوی روغن های ثابت و فرار هستند که منابع غنی کوینون ها، اسیدهای چرب غیر اشباع، آمینواسیدها و پروتئین ها و محتوی مقادیر ناچیزی از آلکالوئیدها و ترپنوئیدها هستند. در بین اجزای جداشده از روغن فرار n. sativa نشان داده شد که تیموکوینون جزء فعال و اصلی آن است و بنابراین بیشترین مطالعات درباره آن بوده است. تأثیر تنش...

2010
Rula M Darwish Talal A Aburjai

BACKGROUND Escherichia coli occurs naturally in the human gut; however, certain strains that can cause infections, are becoming resistant to antibiotics. Multidrug-resistant E. coli that produce extended-spectrum beta lactamases (ESBLs), such as the CTX-M enzymes, have emerged within the community setting as an important cause of urinary tract infections (UTIs) and bloodstream infections may be...

2016
Sha Xue Xiaomei Yang Guobin Liu Lingtong Gai Changsheng Zhang Coen J. Ritsema Violette Geissen

Article history: Received 5 October 2015 Received in revised form 17 October 2016 Accepted 21 October 2016 Available online 28 October 2016 Elevated CO2 and drought are key consequences of climate change and affect soil processes and plant growth. This study investigated the effects of elevated CO2 and drought on themicrobial biomass and enzymatic activities in the rhizospheres of Bothriochloa ...

Journal: :Plant & cell physiology 2004
Hong-Li Lian Xin Yu Qin Ye Xiaodong Ding Yoshichika Kitagawa Sang-Soo Kwak Wei-Ai Su Zhang-Cheng Tang

Although the discovery of aquaporins in plants has resulted in a paradigm shift in the understanding of plant water relations, the relationship between aquaporins and drought resistance still remains elusive. From an agronomic viewpoint, upland rice is traditionally considered as showing drought avoidance. In the investigation of different morphological and physiological responses of upland ric...

Journal: :Applied and environmental microbiology 2015
Noppadol Prasertsincharoen Constantin Constantinoiu Christopher Gardiner Jeffrey Warner Jennifer Elliman

Burkholderia pseudomallei is a saprophytic bacterium that causes melioidosis and is often isolated from rice fields in Southeast Asia, where the infection incidence is high among rice field workers. The aim of this study was to investigate the relationship between this bacterium and rice through growth experiments where the effect of colonization of domestic rice (Oryza sativa L. cv Amaroo) roo...

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