Results 21 to 30 of about 2,373 (206)

Introgression of Seedling Plant Resistance to Leaf Rust from Agropyron cristatum into Wheat by Induced Homoeologous Recombination

open access: yesAgronomy, 2023
Agropyron cristatum (P genome) is a Triticeae species from the wheat tertiary gene pool which has economic importance as forage and also displays traits beneficial to wheat. Resistance to leaf rust was previously mapped to the short arm of chromosome 1P (
Adoración Cabrera   +3 more
doaj   +1 more source

Biochemical evidence of chromosome homoeology among related plant genera. [PDF]

open access: yes, 1975
Biochemical markers associated with homoelogous chromosome groups 3 and 7 of Triticum aestivum L. have been investigated in genetic stocks carrying chromosomes or chromosomal segments of the same homoeology groups from Agropyron elongatum and Secale ...
Aragoncillo   +18 more
core   +2 more sources

The use of homoeologous pairing in the identification of homoeologous relationships in Triticeae [PDF]

open access: yesHereditas, 2008
Homoeologous pairing at metaphase I was analyzed in different wheat-rye combinations to establish the arm homoeology of wheat and rye chromosomes. Chromosome arms being bound at metaphase 1 were identified by means of C-banding. Pairing between chromosome arms of different homoeologous groups revealed the existence of translocations that occurred ...
openaire   +1 more source

Cytological and molecular characterization of wheat lines with Thinopyrum intermedium chromosome additions, substitutions and translocations resistant to barley yellow dwarf virus [PDF]

open access: yes, 1999
Barley yellow dwarf virus (BYDV) is the most serious viral disease affecting wheat and genes for BYDV resistance have not been found in wheat. BYDV-resistant alien addition and alien substitution lines produced from a wheat × Thinopyrum intermedium ...
Crasta, O.   +3 more
core   +1 more source

Symmetric subgenomes and balanced homoeolog expression stabilize the establishment of allopolyploidy in cyprinid fish

open access: yesBMC Biology, 2022
Background Interspecific postzygotic reproduction isolation results from large genetic divergence between the subgenomes of established hybrids. Polyploidization immediately after hybridization may reset patterns of homologous chromosome pairing and ...
Li Ren   +31 more
doaj   +1 more source

Surviving a Genome Collision: Genomic Signatures of Allopolyploidization in the Recent Crop Species [PDF]

open access: yes, 2017
Polyploidization has played a major role in crop plant evolution, leading to advantageous traits that have been selected by humans. Here, we describe restructuring patterns in the genome of Brassica napus L., a recent allopolyploid species.
Chalhoub, Boulos   +2 more
core   +1 more source

GENOME SIZE IN THREE SPECIES OF Glandularia AND THEIR HYBRIDS [PDF]

open access: yesBAG. Journal of Basic and Applied Genetics, 2019
In this work the relationship between genome size of Glandularia species and the meiotic configurations found in their hybrids are discussed. Glandularia incisa (Hook.) Tronc., growing in two localities of Corrientes and Córdoba provinces, Argentina ...
Ferrari M.R.   +2 more
doaj   +1 more source

Homoeologous Exchanges, Segmental Allopolyploidy, and Polyploid Genome Evolution

open access: yesFrontiers in Genetics, 2020
Polyploidy is a major force in plant evolution and speciation. In newly formed allopolyploids, pairing between related chromosomes from different subgenomes (homoeologous chromosomes) during meiosis is common.
Annaliese S. Mason, Jonathan F. Wendel
doaj   +1 more source

Synteny analysis in Rosids with a walnut physical map reveals slow genome evolution in long-lived woody perennials. [PDF]

open access: yes, 2015
BackgroundMutations often accompany DNA replication. Since there may be fewer cell cycles per year in the germlines of long-lived than short-lived angiosperms, the genomes of long-lived angiosperms may be diverging more slowly than those of short-lived ...
Aradhya, Mallikarjuna   +9 more
core   +2 more sources

Competition of Parental Genomes in Plant Hybrids

open access: yesFrontiers in Plant Science, 2020
Interspecific hybridization represents one of the main mechanisms of plant speciation. Merging of two genomes from different subspecies, species, or even genera is frequently accompanied by whole-genome duplication (WGD).
Marek Glombik   +4 more
doaj   +1 more source

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