نتایج جستجو برای: lea
تعداد نتایج: 1916 فیلتر نتایج به سال:
Late embryogenesis abundant (LEA) proteins are a family of hyper-hydrophilic proteins that accumulate in response to cellular dehydration. Originally identified as plant proteins associated with seed desiccation tolerance, LEA proteins have been identified in a wide range of organisms such as invertebrates and microorganisms. LEA proteins are thought to protect proteins and biomembranes under w...
Late embryogenesis abundant (LEA) proteins are extremely hydrophilic proteins that were first identified in land plants. Intracellular accumulation is tightly correlated with acquisition of desiccation tolerance, and data support their capacity to stabilize other proteins and membranes during drying, especially in the presence of sugars like trehalose. Exciting reports now show that LEA protein...
با توجه به اینکه خشکی یکی از معضلات کشاورزی امروز است و با توجه به اینکه گندم یکی از مهمترین محصولات زراعی است و بخش مهمی از زنجیره غذایی انسان را به خود اختصاص داده و همچنین اینکه سطح زیر کشت آن در کشور ما بالاست و کشور ما نیز در کمربند خشک و نیمه خشک قرار دارد، لذا مطالعات در زمینه مقاومت به خشکی حائز اهمیت است. با توجه به اینکه توالی ژن wdhn13 که یکی از ژن های مقاومت به خشکی بوده و باعث سنتز...
BACKGROUND Lower extremity amputation (LEA) is a complication of diabetes and a marker of the quality of diabetes care. Clinical and sociodemographic determinants of LEA in people with diabetes are well known. However, the role of service-related factors has been less well explored. Early referral to secondary healthcare is assumed to prevent the occurrence of LEA. The objective of this study i...
BACKGROUND Cataract, a leading cause of vision impairment, is due to the lens becoming excessively optically dense. Change in the lens optical density (LOD) could be a useful indicator of incipient nuclear cataract and would necessitate the development of accurate measurement techniques. Mapcat sf™ is a heterochromatic flicker photometer for measuring macular pigment optical density (MPOD) unde...
BACKGROUND The comparative long-term risk of non-traumatic lower extremity amputation (LEA) in black and white Americans, 2 groups with strikingly different rates of diabetes mellitus, is not known. OBJECTIVE To examine the 20-year incidence of LEA in relation to race and diabetes mellitus. METHODS The 14 407 subjects in the National Health and Nutrition Examination Survey Epidemiologic Fol...
LEA (late embryogenesis abundant) proteins are associated with tolerance to water stress resulting from desiccation and cold shock. Although various functions have been proposed to LEA proteins, their precise role is not fully defined. In silico analysis of the amino acid sequence of two LEA proteins (early methionine-labeled Vigna, EMV) from the tropical legume crop, Vigna radiata identified a...
Failure of synthetic heart valves is usually caused by tearing and calci"cation of the lea#ets. Lea#et "ber-reinforcement increases the durability of these values by unloading the delicate parts of the lea#ets, maintaining their physiological functioning. The interaction of the valve with the surrounding #uid is essential when analyzing its functioning. However, the large di!erences in material...
Late Embryogenesis Abundant (LEA) proteins, a group of hydrophilic proteins, have been linked to survival in plants and animals in periods of stress, putatively through safeguarding enzymatic function and prevention of aggregation in times of dehydration/heat. Yet despite decades of effort, the molecular-level mechanisms defining this protective function remain unknown. In this paper, we summar...
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