نتایج جستجو برای: acanthophora spicifera
تعداد نتایج: 135 فیلتر نتایج به سال:
Variabilities in the responses of several South African red and green macroalgae to direct grazing and the responses of one green alga to cues from grazers were tested. We used two feeding experiments: (1) testing the induced responses of three red and one green algae to direct grazing by mesograzers and (2) a multi-treatment experiment, in which the direct and indirect effects of one macrograz...
The role that seaweeds play as primary producers and ecosystems engineers in marine coastal is widely acknowledged. Seaweeds, however, are also important drivers the development of blue bioeconomy due to their vast diversity unique chemicals with a broad range industrial biotechnological applications. In tropical regions, seaweed production has been focused on few species only, because hydrocol...
INTRODUCTION Keratinophilic fungi are an important group of fungi that live in soil. The aim of this study was to isolate and identify keratinophilic fungi from the soil of different parks in Shiraz. MATERIALS AND METHODS A total of 196 soil samples from 43 parks were collected. Isolation of the fungi was performed by hair bait technique. The isolated colonies were identified by morphologic f...
Interaction of the human monocytic cell line, THP-1 with clinical isolates of three Curvularia species were examined. Members of this filamentous fungal genus can cause deep mycoses emerging in both immunocompromised and immunocompetent patients. It was found that monocytes reacted only to the hyphal form of Curvularia lunata. Cells attached to the germ tubes and hyphae and production of elevat...
هدف از این مطالعه بررسی قدرت پاک‌سازی رادیکالی و خواص ضد اکسیدانی عصاره کلروفرمی دو گونه جلبکی (Acanthophora nayadiformis و Laurencia snyderiae) در مقایسه با عصاره هیدرو الکلی، کلروفرمی و عصاره آبی جفت میوه بلوط (Quercus brantii var. persica) بود. عصاره گیری از سه گونه موردمطالعه با روش خیساندن و بررسی فعالیت ضد اکسیدانی با دو روش Folin–Ciocalteau و DPPH انجام شد. بالاترین مقدار فنل کل (29/0±09...
بیماری لکه قهوهای برنج یکی از مهم ترین بیماریهایی است که خسارت نسبتا قابل ملاحظه ای به برنج وارد می کند. در طی سالهای زراعی 1390-1391، 348 جدایه های bipolarisاز مزارع برنج (بذرها و برگها) و علفهای هرز حاشیه مزارع برنج استانهای مازندران، گیلان، گلستان، خوزستان و فارس جداسازی شد. با مطالعه خصوصیات مورفولوژیکی جدایهها شش گونه از جنس مذکور شامل b. oryzae، b. cynodontis، b. spicifera، b. bico...
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