نتایج جستجو برای: leaf total proteins

تعداد نتایج: 1397203  

Journal: :علوم گیاهان زراعی ایران 0
فواد فاتحی دانشجوی سابق دکتری پردیس کشاورزی و منابع طبیعی دانشگاه تهران عبدالهادی حسین زاده دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران هوشنگ علیزاده استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران محبوبه حاجی عباسی دانشجوی کارشناسی ارشد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران اکبر شعبانی کارشناسی ارشد مؤسسه تحقیقات دیم سرارود

responses of plants to salinity stress and development of salt tolerance are extremely complex and various mechanisms appear to be involved. we employed a proteomic approach to study the mechanism of plant responses to salinity in a sensitive cultivar of barley (527 line). three-week-old seedlings were treated with 300 mm nacl for 3 weeks. total proteins of fourth leaf were extracted and separa...

2016
Zhujia Ye Sasikiran Sangireddy Ikenna Okekeogbu Suping Zhou Chih-Li Yu Dafeng Hui Kevin J. Howe Tara Fish Theodore W. Thannhauser

Switchgrass (Panicum virgatum) is a perennial crop producing deep roots and thus highly tolerant to soil water deficit conditions. However, seedling establishment in the field is very susceptible to prolonged and periodic drought stress. In this study, a "sandwich" system simulating a gradual water deletion process was developed. Switchgrass seedlings were subjected to a 20-day gradual drought ...

Journal: :علوم گیاهان زراعی ایران 0
حمیدرضا بلوچی سید علی محمد مدرس ثانوی یحیی امام

drought, ultraviolet radiation and atmospheric co2 are some three environmental factors that seriously affect future food security. the objective followed in the present research was to study the effect of two levels of carbon dioxide (400 and 900 ppm), ultraviolet radiation (uv a, b and c with intensities of 18, 25 and 40 microw.cm-2 respectively) and water deficit (%100 and %60 of field capac...

2015

The study was aimed at assessing the genetic variation and relatedness among four Capsicum varieties through electrophoretic separation of their leaf and seed proteins by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE). Total seed and leaf proteins were extracted and separated on 12% polyacrylamide gels using standard protocols. Distinct polymorphism in electrophoretic ban...

Journal: :Plant & cell physiology 2005
Akari Fukuda Syu Fujimaki Tomoko Mori Nobuo Suzui Keiki Ishiyama Toshihiko Hayakawa Tomoyuki Yamaya Toru Fujiwara Tadakatsu Yoneyama Hiroaki Hayashi

Sieve tubes are comprised of sieve elements, enucleated cells that are incapable of RNA and protein synthesis. The proteins in sieve elements are supplied from the neighboring companion cells through plasmodesmata. In rice plants, it was unclear whether or not all proteins produced in companion cells had the same distribution pattern in the sieve element-companion cell complex. In this study, t...

Journal: :Plant physiology 1984
J J Volenec C J Nelson

Our objective was to examine alterations in carbohydrate status of leaf meristems that are associated with nitrogen-induced changes in leaf elongation rates of tall fescue (Festuca arundinacea Schreb.). Dark respiration rates, concentrations of nonstructural carbohydrates, and soluble proteins were measured in leaf intercalary meristems and adjacent segments of elongating leaves. The two genoty...

Journal: :Plant physiology 2004
Séverine Schiltz Karine Gallardo Myriam Huart Luc Negroni Nicolas Sommerer Judith Burstin

A proteomic approach was used to analyze protein changes during nitrogen mobilization (N mobilization) from leaves to filling seeds in pea (Pisum sativum). First, proteome reference maps were established for mature leaves and stems. They displayed around 190 Coomassie Blue-stained spots with pIs from 4 to 7. A total of 130 spots were identified by mass spectrometry as corresponding to 80 differ...

Journal: :The Journal of biological chemistry 1952
S J SINGER L EGGMAN J M CAMPBELL S G WILDMAN

Previous work has shown that the soluble cytoplasmic proteins comprise about 30 per cent of the total protein contained in spinach and tobacco leaves (1, 2). Thus, on a dry weight basis, the cytoplasmic proteins constitute in the neighborhood of 10 per cent of the total dry matter of the leaf, including cellulose. In an attempt to resolve the soluble proteins present in leaf cytoplasm, resort w...

In order to investigate the effects of foliar application of salicylic and ascorbic acids on some physiological characteristics of soybean (Glycine max L. cv. Williams) under salinity stress, a factorial pot experiment was conducted based on completely randomized design with four replications in the summer 2012 in the Yasouj University. Factors were included of four levels of salinity (0, 50, ...

Journal: :Pharma innovation 2022

Physiochemical analysis of fresh leaf, dried bark and roots Casuarina equisetifolia Swietenia macrophylla was carried out to find the pH, EC, total phenols, proteins carbohydrates. From study it found that pH highest in leaf both tree species. The EC recorded root C. S. respectively. As for phenol content Total showed leave And carbohydrates, macrophylla. results indicated carbohydrates exhibit...

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