نتایج جستجو برای: a tauschii

تعداد نتایج: 13431950  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Daiqing Huang J Allan Feurtado Mark A Smith Leah K Flatman Chushin Koh Adrian J Cutler

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده کشاورزی 1391

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...

2013
Yoshihiro Matsuoka Shuhei Nasuda Yasuyo Ashida Miyuki Nitta Hisashi Tsujimoto Shigeo Takumi Taihachi Kawahara

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...

Journal: :Genes & genetic systems 2015
Yeonju Jung Kanako Kawaura Masahiro Kishii Shun Sakuma Yasunari Ogihara

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...

Journal: :Journal of applied genetics 2002
Łukasz Stepień Vojtech Holubec Jerzy Chełkowski

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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