نتایج جستجو برای: a tauschii
تعداد نتایج: 13431950 فیلتر نتایج به سال:
The cuticle of terrestrial plants functions as a protective barrier against many biotic and abiotic stresses. In wheat and other Triticeae, β-diketone waxes are major components of the epicuticular layer leading to the bluish-white glaucous trait in reproductive-age plants. Glaucousness in durum wheat is controlled by a metabolic gene cluster at the WAX1 (W1) locus and a dominant suppressor INH...
چکیده تنش خشکی مانع از تظاهر کامل پتانسیل ژنتیکی گیاهان زراعی می شود و از این رو موجب کاهش تولیدات کشاورزی می گردد. کمبود آب می تواند باعث القای ژن ها و تغییر الگوی بیان ژن در گیاه گردد. روش آنالیز expressed sequence tag (est) راهی سریع و منطقی برای کاندید کردن ژن های جدید برای مقاومت به تنش ها می باشد. در این تحقیق تعداد 12 کتابخانه est شاهد و تنش خشکی گندم و خویشاوندان وحشی آن شامل 37138 توا...
The complex process of allopolyploid speciation includes various mechanisms ranging from species crosses and hybrid genome doubling to genome alterations and the establishment of new allopolyploids as persisting natural entities. Currently, little is known about the genetic mechanisms that underlie hybrid genome doubling, despite the fact that natural allopolyploid formation is highly dependent...
Allopolyploidization in plants is an important event that enhances heterosis and environmental adaptation. Common wheat, Triticum aestivum (AABBDD), which is an allohexaploid that evolved from an allopolyploidization event between T. turgidum (AABB) and Aegilops tauschii (DD), shows more growth vigor and wider adaptation than tetraploid wheats. To better understand the molecular basis for the h...
Sequence tagged site (STS) markers have been developed recently to identify resistance genes in wheat. A number of wild relatives have been used to transfer resistance genes into wheat cultivars. Accessions of wild species of Triticeae: Aegilops longissima (4), Ae. speltoides (6), Ae. tauschii (8), Ae. umbellulata (3), Ae. ventricosa (3), Triticum spelta (2), T. timopheevi (3), T. boeoticum (4)...
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