نتایج جستجو برای: plant pathogenesis
تعداد نتایج: 511232 فیلتر نتایج به سال:
Ethylene, a gaseous plant hormone, plays a role in plant development, defense, and climacteric fruit ripening. Both genetic and biochemical evidence suggest that the response of plants to ethylene is mediated by a specific ethylene receptor. The signal emanating from the receptor-effector complex is then presumably transduced via an unknown cascade pathway. We have used the plant pathogenesis r...
The present study is based on the investigation of a soil hyphomyces, Paecilomyces lilacinus, an opportunistic bio-control agent, in controlling root-knot nematode Meloidogyne javanica on tomato in greenhouse conditions. P. lilacinus, effectively promoted the growth of plants inoculated with M. javanica by suppressing its pathogenesis as root galling by the nematode and egg mass production was ...
Pathogenesis of M. chitwoodi associated with potato (Solanum tuberosura cv. Russet Burbank) followed a pattern characteristic of root-knot nematodes. Giant ceils developed in the phloem tissues of roots, stolons, and tubers and appeared to arise by hypertrophy and karyokinesis rather than cellular fusion. Gall formation was a function of parasite density and developed by hypertrophy of cortical...
به منظور دسته بندی جدایه های ایرانی عامل بیماری سوختگی معمولی لوبیا xanthomonas axonopodis pv. phaseoli(xap) وx. axonopodis pv. phaseoli var. fuscans(xapf) از نظر مشخصات بیماری زایی و فوق حساسیت توتون و نیز ارزیابی تنوع ژنتیکی جدایه های ایرانی برای تعیین رابطه احتمالی میان خصوصیات بیولوژیکی و ژنتیکی آنها، از بوته های مبتلا به سوختگی معمولی انواع لوبیا در استان های لرستان، مرکزی، اصفهان، چهارمحا...
background: little in known regarding the clinical relevance of sirt1 in multiple sclerosis (ms). here, we aimed to evaluate mrna expression, protein level and enzyme activity of sirt1 in peripheral blood mononuclear cells (pbmcs) isolated from relapsing –remitting ms patients (rrms) and healthy controls. materials and methods: twenty patients with rr-ms and twenty two age- and sex-matched he...
Pathogen recognition and signal transduction during plant pathogenesis is essential for the activation of plant defense mechanisms. To facilitate easy access to published data and to permit comparative studies of different pathogen response pathways, a database is indispensable to give a broad overview of the components and reactions so far known. PathoPlant has been developed as a relational d...
adenomyosis is a widespread disease affecting the reproductive period of women’s life. in the last ten years, different pathogenetic hypotheses have been proposed to explain the initiation and development of the disease. this article aims to present and discuss the most important pathophysiologic mechanisms underlying adenomyosis development in order to clarify the relationship between adenomyo...
multiple sclerosis (ms) is an autoimmune disease of the central nervous system (cns) which causes demyelination of the nerve fibers. the etiology of this disease is not well understood but it is believed that t helpers play a central role in ms. numerous findings support the view that th17 cells play an essential role in pathogenesis of ms and il-17 secreting t (th17) cells have a role in infla...
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