Genomic Markers Associated with Cold-Hardiness in Brassica rapa L.

Amosova, Аlexandra V.; Samatadze, Tatiana E.; Мозгова, Г. В.; Kipen, V. N.; Dubovskaya, A. G.; Artemyeva, A. M.; Yurkevich, Olga Yu.; Zoshchuk, Svyatoslav A.; Лемеш, В. А.; Муравенко, О. В.

doi:10.1134/s0026893320040032

Cited by 4 publications

(1 citation statement)

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“…It was earlier assumed that the variations in number of 45S rDNA clusters observed in karyotypes of different species of Anacyclus could result from interspecific hybridization events occurring in the regions where ranges of these species overlapped or along the edge of their distribution areas [ 50 ]. Also, variations in the number of 45S rDNA loci were observed in karyotypes of plant species ( Phaseolus vulgaris , Capsicum species, Brassica rapa ) grown in different locations [ 51 , 52 , 53 ]. On the other hand, no variations in number and location of 45S rDNA clusters were earlier revealed among accessions of Hedysarum perrauderianum from different regions of Algeria [ 26 ].…”

Section: Discussionmentioning

confidence: 99%

Molecular Cytogenetics of Eurasian Species of the Genus Hedysarum L. (Fabaceae)

Yurkevich

Samatadze

Selyutina

et al. 2021

Plants

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The systematic knowledge on the genus Hedysarum L. (Fabaceae: Hedysareae) is still incomplete. The species from the section Hedysarum are valuable forage and medicinal resources. For eight Hedysarum species, we constructed the integrated schematic map of their distribution within Eurasia based on currently available scattered data. For the first time, we performed cytogenomic characterization of twenty accessions covering eight species for evaluating genomic diversity and relationships within the section Hedysarum. Based on the intra- and interspecific variability of chromosomes bearing 45S and 5S rDNA clusters, four main karyotype groups were detected in the studied accessions: (1) H.arcticum, H. austrosibiricum, H. flavescens, H. hedysaroides, and H. theinum (one chromosome pair with 45S rDNA and one pair bearing 5S rDNA); (2) H. alpinum and one accession of H. hedysaroides (one chromosome pair with 45S rDNA and two pairs bearing 5S rDNA); (3) H. caucasicum (one chromosome pair with 45S rDNA and one chromosome pair bearing 5S rDNA and 45S rDNA); (4) H. neglectum (two pairs with 45S rDNA and one pair bearing 5S rDNA). The species-specific chromosomal markers detected in karyotypes of H. alpinum, H. caucasicum, and H. neglectum can be useful in taxonomic studies of this section.

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