نتایج جستجو برای: آبسیزیک اسید aba
تعداد نتایج: 26847 فیلتر نتایج به سال:
هورمونها نقش حیاتی در تنظیم رشد گیاهان و پاسخ به تنش بازی میکنند. بهمنظور مطالعه رابطه بین کمبود آب و سویههای باکتری فلورسنت سودومونادس بر پرولین و برخی از هورمونهای رشد در گیاه ذرت آزمایشی در طی دو سال بهصورت کرتهای خرد شده در قالب بلوکهای کامل تصادفی در سه تکرار انجام شد که در آن کرتهای اصلی شامل سه سطح تنش خشکی براساس 40، 60 و 75 درصد تخلیه رطوبتی و کرتهای فرعی شامل چهار سویه باکتر...
A protein designated ABAP1 and encoded by a novel gene (GenBank accession number AF127388) was purified and shown to specifically bind abscisic acid (ABA). ABAP1 protein is a 472-amino acid polypeptide containing a WW protein interaction domain and is induced by ABA in barley aleurone layers. Polyclonal antiidiotypic antibodies (AB2) cross-reacted with purified ABAP1 and with a corresponding 52...
The plant hormone abscisic acid (ABA) accumulates in plant tissues which experience water deficit (stress ABA). This study analysed its accumulation as a function of both synthesis and catabolism in maize tissues. By following the disappearance of the stress ABA when ABA synthesis was blocked by nordihydroguaiaretic acid (NDGA), the rate of the catabolism of stress ABA was determined. When comp...
به منظور بررسی تأثیرسطوح مختلف سه ترکیب شیمیایی مؤثر در القاء مقاومت سیستمیک شامل بتاآمینوبوتیریک اسید (BABA)، سالیسیلیکاسید (SA) و آبسیزیکاسید (ABA) در القاء مقاومت در گوجهفرنگی آلوده به نماتود ریشه گرهی، Meloidogyne incognita، آزمایشی به صورت فاکتوریل در قالب طرح کاملاً تصادفی در سه تکرار در شرایط کنترل شده (16 ساعت روشنایی با دمای °C30 و هشت ساعت تاریکی با دمای °C25) انجا...
Abscisic acid (ABA) plays a key role in plant growth and development. The effect of ABA in plants mainly depends on its concentration, which is determined by a balance between biosynthesis and catabolism of ABA. In this study, we characterize a unique UDP-glucosyltransferase (UGT), UGT71C5, which plays an important role in ABA homeostasis by glucosylating ABA to abscisic acid -: glucose ester (...
چکیده ندارد.
Abscisic acid (ABA) accumulates in seeds during the transition to the seed filling phase. ABA triggers seed maturation, storage activity, and stress signalling and tolerance. Immunomodulation was used to alter the ABA status in barley grains, with the resulting transgenic caryopses responding to the anti-ABA antibody gene expression with increased accumulation of ABA. Calculation of free versus...
Radial water (J(V)) and abscisic acid (ABA) flows (J(ABA)) through maize root seedlings have been investigated under different conditions of nutrient deficiency. Whereas J(V) was reduced under nitrogen deficiency, potassium deficiency stimulated J(V). A substantial increase of J(ABA) was observed in roots kept under potassium deficiency. The observed changes of J(V) might have resulted from cha...
Abscisic acid (ABA) is a plant hormone that regulates plant growth and development and mediates abiotic stress responses. Direct cellular monitoring of dynamic ABA concentration changes in response to environmental cues is essential for understanding ABA action. We have developed ABAleons: ABA-specific optogenetic reporters that instantaneously convert the phytohormone-triggered interaction of ...
Abscisic acid (ABA) plays an important role during somatic embryo development and maturation in coniferous species. The purpose of this research was to study ABA utilization by genotypes with different embryo maturation capabilities in interior spruce. Cell lines ISP11 and ISP48 were of high embryo maturation capability. By contrast, the tissue of line ISP16 contained numerous immature embryos,...
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