Segmental allopolyploidy in action: increasing diversity through polyploid hybridization and homoeologous recombination
SCM Leal‐Bertioli, IJ Godoy, JF Santos… - American journal of …, 2018 - Wiley Online Library
Premise of the Study The genetic bottleneck of polyploid formation can be mitigated by
multiple origins, gene flow, and recombination among different lineages. In crop plants with …
multiple origins, gene flow, and recombination among different lineages. In crop plants with …
[HTML][HTML] Evidence of genomic exchanges between homeologous chromosomes in a cross of peanut with newly synthetized allotetraploid hybrids
JR Nguepjop, HA Tossim, JM Bell, JF Rami… - Frontiers in plant …, 2016 - frontiersin.org
Cultivated peanut and synthetics are allotetraploids (2 n= 4 x= 40) with two homeologous
sets of chromosomes. Meiosis in allotetraploid peanut is generally thought to show diploid …
sets of chromosomes. Meiosis in allotetraploid peanut is generally thought to show diploid …
Karyotype stability and genome‐specific nucleolar dominance in peanut, its wild 4× ancestor, and a synthetic AABB polyploid
Allopolyploidy is a significant evolutionary process involved in the origin of many crops,
including peanut (Arachis hypogaea L.). The process usually results in a series of …
including peanut (Arachis hypogaea L.). The process usually results in a series of …
Spontaneous generation of diversity in Arachis neopolyploids (Arachis ipaënsis × Arachis duranensis)4x replays the early stages of peanut evolution
SCM Leal-Bertioli, EFMB Nascimento, MCF Chavarro… - G3, 2021 - academic.oup.com
Polyploidy is considered a driving force in plant evolution and domestication. Although in the
genus Arachis, several diploid species were traditionally cultivated for their seeds, only the …
genus Arachis, several diploid species were traditionally cultivated for their seeds, only the …
Comparison of Arachis monticola with Diploid and Cultivated Tetraploid Genomes Reveals Asymmetric Subgenome Evolution and Improvement of Peanut
Like many important crops, peanut is a polyploid that underwent polyploidization, evolution,
and domestication. The wild allotetraploid peanut species Arachis monticola (A. monticola) …
and domestication. The wild allotetraploid peanut species Arachis monticola (A. monticola) …
[HTML][HTML] ValSten: a new wild species derived allotetraploid for increasing genetic diversity of the peanut crop (Arachis hypogaea L.)
D Gao, ACG Araujo, EFMB Nascimento… - Genetic Resources and …, 2021 - Springer
Introgression of desirable traits from wild relatives plays an important role in crop
improvement, as wild species have important characters such as high resistance to pests …
improvement, as wild species have important characters such as high resistance to pests …
[HTML][HTML] Genetic mapping of wild introgressions into cultivated peanut: a way toward enlarging the genetic basis of a recent allotetraploid
D Foncéka, T Hodo-Abalo, R Rivallan, I Faye, MN Sall… - BMC Plant …, 2009 - Springer
Abstract Background Peanut (Arachis hypogaea L.) is widely used as a food and cash crop
around the world. It is considered to be an allotetraploid (2n= 4x= 40) originated from a …
around the world. It is considered to be an allotetraploid (2n= 4x= 40) originated from a …
Identification of peanut (Arachis hypogaea) chromosomes using a fluorescence in situ hybridization system reveals multiple hybridization events during tetraploid …
The cultivated peanut Arachis hypogaea (AABB) is thought to have originated from the
hybridization of Arachis duranensis (AA) and Arachis ipaënsis (BB) followed by …
hybridization of Arachis duranensis (AA) and Arachis ipaënsis (BB) followed by …
[HTML][HTML] Comparative mapping in intraspecific populations uncovers a high degree of macrosynteny between A-and B-genome diploid species of peanut
Background Cultivated peanut or groundnut (Arachis hypogaea L.) is an important oilseed
crop with an allotetraploid genome (AABB, 2 n= 4 x= 40). Both the low level of genetic …
crop with an allotetraploid genome (AABB, 2 n= 4 x= 40). Both the low level of genetic …
Genomic relationships between the cultivated peanut (Arachis hypogaea, Leguminosae) and its close relatives revealed by double GISH
Arachis hypogaea is a natural, well‐established allotetraploid (AABB) with 2n= 40. However,
researchers disagree on the diploid genome donor species and on whether peanut …
researchers disagree on the diploid genome donor species and on whether peanut …