The use of wheat-alien and Aegilops-rye amphiploids for introgression of genetic material to wheat

Simonenko, V. K.; Motsny, Ivan I.; Sechnyak, A. L.; Kulbida, M. P.

doi:10.1007/978-94-011-4896-2_54

Cited by 4 publications

(3 citation statements)

References 6 publications

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“…В інтрогресивній гібридизації використовували різні види пшениці, егілопсів, жита, пирію, елімусу і навіть хайнальдії. При цьому з'ясувалося, що найбільш зручними для віддаленої гібридизації є пшенично-чужорідні амфіплоїди [1,16]. Однією з основних проблем таких схрещувань є необхідність стимуляції гомеологічної кон'югації хромосом з геномів різних видів.…”

Section: регулярність мейозу в ранніх генераціях гібридів м'якої пшенunclassified

Regularity of Meiosis in Early Generations in Hybrids of Bread Wheat With Artificial Spelt

Січняк¹

2018

Odesa National University Herald. Biology

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Section: регулярність мейозу в ранніх генераціях гібридів м'якої пшенunclassified

Regularity of Meiosis in Early Generations in Hybrids of Bread Wheat With Artificial Spelt

Січняк¹

2018

Odesa National University Herald. Biology

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“…Several attempts were carried out to highlight the genetic diversity of rye, such as distant crossing with wheat (Lukaszewski 2010 ), triticale (Apolinarska 1993 , 1996 ), Aegilops spp. (Simonenko et al 1998 ; Wojciechowska and Pudelska 2005 ; Apolinarska et al 2010 ; Kwiatek et al 2012 , 2013 ) and Dasypyrum villosum (syn. Haynaldia villosa ) (Książczyk et al 2011 ; Grasso et al 2012 ).…”

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confidence: 99%

Introgression of A- and B-genome of tetraploid triticale chromatin into tetraploid rye

et al. 2013

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An improvement of rye is one of the mainstream goals of current breeding. Our study is concerned with the introduction of the tetraploid triticale (ABRR) into the 4x rye (RRRR) using classical methods of distant crossing. One hundred fifty BC1F9 hybrid plants [(4x rye × 4x triticales) × 4x rye] obtained from a backcrossing program were studied. The major aim of this work was to verify the presence of an introgressed A- and B- genome chromatin of triticale in a collection of the 4x rye-tiritcale hybrids and to determine their chromosome compositions. In the present study, karyotypes of the previously reported BC1F2s and BC1F3s were compared with that of the BC1F9 generation as obtained after several subsequent open pollinations. The genomic in situ hybridisation (GISH) allowed us to identify 133 introgression forms in which chromosome numbers ranged between 26 and 32. Using four DNA probes (5S rDNA, 25S rDNA, pSc119.2 and pAs1), the fluorescence in situ hybridisation (FISH) was carried out to facilitate an exact chromosome identification in the hybrid plants. The combination of the multi-colour GISH with the repetitive DNA FISH singled out five types of translocated chromosomes: 2A.2R, 4A.4R, 5A.5R, 5B.5R and 7A.7R among the examined BC1F9s. The reported translocation lines could serve as valuable sources of wheat chromatin suitable for further improvements of rye.

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“…Within the tribe Triticeae, favourable genes potentially can be transferred from wild to cultivated forms. An example is wheat, whose genetic variation is increased by means of Aegilops-rye amphiploids (Kerber 1987, Spetsov et al 1993, Simonenko et al 1998. In this study, we used Aegilops-rye amphiploids to introduce new variation into rye by crossing the 4 amphiploids with 4x and 2x substitution rye carrying wheat chromosomes.…”

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confidence: 99%

Aegilops-rye amphiploids and substitution rye used for introgression of genetic material into rye (Secale cereale L.)

2010

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The valuable genes of Aegilops biuncialis, Ae. ovata, Ae. kotschyi, and Ae. variabilis were transferred to rye, by crossing Aegilops-rye amphiploids with tetraploid and diploid substitution rye. The C-banded karyotype of the BC1 and BC2 generations of amphiploids with 4x substitution rye and BC1 with 2x substitution rye showed great variation in chromosome number and composition. In the BC1 generation of amphiploids with 4x and 2x substitution rye, seed set success rate and germination rate varied depending on origin. However, plant sterility in all cross combinations of amphiploids with 4x and 2x substitution rye resulted in their elimination from further experiments in the BC3 and BC2 generations, respectively. In backcrosses of 4x substitution rye with amphiploids Ae. variabilis × rye 4x, fertile 4x rye plants containing Aegilops chromatin were produced in the BC2 generation.

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The use of wheat-alien and Aegilops-rye amphiploids for introgression of genetic material to wheat

Cited by 4 publications

References 6 publications

Regularity of Meiosis in Early Generations in Hybrids of Bread Wheat With Artificial Spelt

Regularity of Meiosis in Early Generations in Hybrids of Bread Wheat With Artificial Spelt

Introgression of A- and B-genome of tetraploid triticale chromatin into tetraploid rye

Aegilops-rye amphiploids and substitution rye used for introgression of genetic material into rye (Secale cereale L.)

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