نتایج جستجو برای: leaf rolling
تعداد نتایج: 104092 فیلتر نتایج به سال:
The female of Paracrias huberi Gumovsky (Hymenoptera: Eulophidae) is redescribed and the previously unknown male described from material collected by George B. Vogt near Plummers Island, Maryland. The species is diagnosed and placed within the current phylogenetic concept for the genus Paracrias. Collection records indicate this species was reared from Homoeolabus analis Illiger (Coleoptera: At...
Geminiviruses package single-stranded circular DNA and replicate via double-stranded DNA intermediates. During the past decade, increasing evidence has led to the general acceptance that their replication follows a rolling-circle replication mechanism like bacteriophages with single-stranded DNA. In a recent study, we showed that this is also true for Abutilon mosaic geminivirus (AbMV), but tha...
trees are an important source of wild germplasm for sustainable forestry. wild pear germplasm (pyrus boisseriana) was collected from a forest ecosystem and resistance potential to drought stress was surveyed in a greenhouse. in six-month seedlings, signs of leaf rolling appeared after 18 days without water (drought simulation). gas exchange parameters, such as net photosynthesis, stomatal condu...
Leukocyte capture and rolling are mediated by selectins expressed on leukocytes (L-selectin) and the vascular endothelium (P- and E-selectin). To investigate the role of core 2 beta1-6-N-glucosaminyltransferase (C2GlcNAcT-I) for synthesis of functional selectin ligands in vivo, leukocyte rolling flux and velocity were studied in venules of untreated and tumor necrosis factor-alpha (TNFalpha)-pr...
Sphingosine-1-phosphate (S1P) participates in inflammation; however, its role in leukocyte rolling is still unclear. Here we use intravital microscopy in inflamed mouse cremaster muscle venules and human endothelial cells to show that S1P contributes to P-selectin-dependent leukocyte rolling through endothelial S1P receptor 3 (S1P3) and Gαq, PLCβ and Ca(2+). Intra-arterial S1P administration in...
Abstract Water stress is a major factor affecting rice production. causes changes in physiology and morphology for plant tolerance to water stress. In this study, six varieties were examined their The check comparisons of tolerant, moderate tolerant sensitivity stress, namely Situ Patenggang, Towuti IR 64; while the test study are three Aceh traditional varieties. significantly influences numbe...
سابقه و هدف: با توجه به وفور بالای کژدم mesobuthus eupeus در ایران و نقش چشمگیر این کژدم، به عنوان یکی از عوامل اصلی کژدم گزیدگی در کاشان و اهمیت، مطالعه روی جنبه های مختلف زیستی کژدم، چگونگی کنترل آن ها، این مطالعه به منظور تعیین پراکندگی کژدم مزبور با دو روش صید، rock-rolling و (black light (uv طی سال های 80-1379 در شهرستان کاشان انجام گرفت. مواد و روش ها: این مطالعه به روش توصیفی صورت پذیرفت...
multi frequency vibrations of a system of two isotropic circular plates interconnected by a rolling visco-elastic layer that has nonlinear characteristics are considered. the system with two circular plates and interconnecting discrete continually distributed rolling visco nonlinear elastic rheological elements presents the model of hybrid nonlinear system. the analytical solutions of first asy...
Leukocyte capture and rolling are mediated by selectins expressed on leukocytes (L-selectin) and the vascular endothelium (Pand E-selectin). To investigate the role of core 2 b1-6-N-glucosaminyltransferase (C2GlcNAcT-I) for synthesis of functional selectin ligands in vivo, leukocyte rolling flux and velocity were studied in venules of untreated and tumor necrosis factor-a (TNFa)–pretreated auto...
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