منابع مشابه
Maternal control of seed size in plants.
Seed size is a key determinant of evolutionary fitness, and is also one of the most important components of seed yield. In angiosperms, seed development begins with double fertilization, which leads to the formation of a diploid embryo and a triploid endosperm. The outermost layer of the seed is the seed coat, which differentiates from maternal integuments. Therefore, the size of a seed is dete...
متن کاملControl of seed size in plants.
R eproductive success in seed plants depends on a healthy seed set. The viability of the embryo is enhanced if a seed contains substantial reserves of starch and protein to nourish the seedling when it germinates months or years later in uncertain conditions. Increased reserves will generally result in an increased seed size, but large seeds are less efficiently dispersed, unless there is human...
متن کاملUbiquitin-mediated control of seed size in plants
Seed size in higher plants is an important agronomic trait, and is also crucial for evolutionary fitness. In flowering plants, the seed comprises three major anatomical components, the embryo, the endosperm and the seed coat, each with different genetic compositions. Therefore, seed size is coordinately determined by the growth of the embryo, endosperm and maternal tissue. Recent studies have r...
متن کاملMaternal control of seed development.
Maternal control of higher plant seed development is likely to involve female sporophytic as well as female gametophytic genes. While numerous female sporophytic mutants control the production of the ovule and the embryo sac true maternal effect mutations affecting embryo and endosperm development are rare in plants. A new class of female gametophytic mutants has been isolated that controls aut...
متن کاملEvidence for maternal control of seed size in maize from phenotypic and transcriptional analysis
Seed size is an important component of grain yield and a key determinant trait for crop domestication. The Krug Yellow Dent long-term selection experiment for large and small seed provides a valuable resource to dissect genetic and phenotypic changes affecting seed size within a common genetic background. In this study, inbred lines derived from Krug Large Seed (KLS) and Krug Small Seed (KSS) p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Experimental Botany
سال: 2015
ISSN: 1460-2431,0022-0957
DOI: 10.1093/jxb/eru549