Results 41 to 50 of about 2,419 (214)

Chromosome-Scale Assembly of Winter Oilseed Rape Brassica napus

open access: yesFrontiers in Plant Science, 2020
Rapeseed (Brassica napus), the second most important oilseed crop globally, originated from an interspecific hybridization between B. rapa and B. oleracea. After this genome collision, B.
HueyTyng Lee   +5 more
doaj   +1 more source

100 Years of Chromosome Research in Rye, Secale L.

open access: yesPlants, 2022
Although microscopy and genetics were still in their infancy, there are cytological results produced a hundred years ago that are still relevant today. Since the 1920s, rye has been a subject of chromosome research. It started by plotting its mitotic and
Rolf Schlegel
doaj   +1 more source

Homoeologs: What Are They and How Do We Infer Them? [PDF]

open access: yes, 2016
The evolutionary history of nearly all flowering plants includes a polyploidization event. Homologous genes resulting from allopolyploidy are commonly referred to as 'homoeologs', although this term has not always been used precisely or consistently in ...
Dessimoz, C., Glover, N.M., Redestig, H.
core   +3 more sources

MOST OF THE HOMOEOLOGOUS PAIRING AT METAPHASE I IN WHEAT-RYE HYBRIDS IS NOT CHIASMATIC [PDF]

open access: yesGenetics, 1985
ABSTRACT The use of telomeric C-bands in wheat-rye hybrids has made it possible to distinguish three types of wheat-wheat (1BL) and wheat-rye associations (a, end-to-end extremely distal; b, end-to-ed distal; and c, interstitial) between homoeologous chromosomes at different metaphase I stages (early, middle and late) and also to ...
openaire   +2 more sources

Natural polymorphisms in a pair of NSP2 homoeologs can cause loss of nodulation in peanut

open access: yesJournal of Experimental Botany, 2020
Abstract Microbial symbiosis in legumes is achieved through nitrogen-fixing root nodules, and these are important for sustainable agriculture. The molecular mechanisms underlying development of root nodules in polyploid legume crops are largely understudied.
Ze Peng   +14 more
openaire   +2 more sources

Molecular organization and comparative analysis of chromosome 5B of the wild wheat ancestor Triticum dicoccoides [PDF]

open access: yes, 2015
Wild emmer wheat, Triticum turgidum ssp. dicoccoides is the wild relative of Triticum turgidum, the progenitor of durum and bread wheat, and maintains a rich allelic diversity among its wild populations. The lack of adequate genetic and genomic resources,
Akpınar, Bala Anı   +8 more
core   +1 more source

Cytological, Phenological and Molecular Characterization of B (S)-Genome Synthetic Hexaploids (2n = 6x = 42; AABBSS) [PDF]

open access: yes, 2015
The B(S) genome diploids (2n = 2x = 14) are a unique reservoir of genetic diversity that can provide wheat breeders a rich source of allelic variation for stress traits that limit productivity. Restricted in practical use essentially due to their complex
Ali, A.   +5 more
core   +1 more source

Interactions between wheat, rye and Aegilops ventricosa chromosomes on homologous and homoeologous pairing [PDF]

open access: yesHeredity, 1986
Different wheat-rye, Ae. ventricosa-rye and wheat-ventricosa-rye genome combinations were analysed at meiosis. In all cases it was possible to estimate the frequencies of the different types of homologous and homoeologous pairing, by using a C-banding technique. Rye homologous pairing decreased in the presence of wheat and Ae.
N Cuñado, M C Cermeño, J Orellana
openaire   +1 more source

Harnessing Bulk‐Segregant Mapping to Identify Trait‐Associated Genes in the Allopolyploid Model Plant Nicotiana benthamiana

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Forward genetics has been instrumental in identifying genes underlying desirable traits, yet its application to polyploid plants, many of which are key agricultural crops, remains challenging due to their genomic complexity. Therefore, we developed BenthMap, a bulk segregant analysis platform for high‐throughput trait mapping and gene ...
Zuba Ahmed   +5 more
wiley   +1 more source

The use of the ph1b mutant to induce recombination between the chromosomes of wheat and barley

open access: yesFrontiers in Plant Science, 2015
Intensive breeding has led to a narrowing in the genetic base of our major crops. In wheat, access to the extensive gene pool residing in its many and varied relatives (some cultivated, others wild) is hampered by the block on recombination imposed by ...
María-Dolores eRey   +2 more
doaj   +1 more source

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