Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae)
In previous papers we found that the frequency of B chromosomes in native races of maize varies considerably in different populations. Moreover, we found genotypes that control high and low transmission rates (TR) of B chromosomes in the Pisingallo race. In the present work crosses were made to dete...
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1998
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paperaa:paper_00029122_v85_n11_p1581_Chiavarino2023-06-12T16:39:33Z Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) Am. J. Bot. 1998;85(11):1581-1585 Chiavarino, A.M. Rosato, M. Rosi, P. Poggio, L. Naranjo, C.A. B chromosome B transmission rate control Maize Maize native races Poaceae Zea mays ssp. mays Zea mays In previous papers we found that the frequency of B chromosomes in native races of maize varies considerably in different populations. Moreover, we found genotypes that control high and low transmission rates (TR) of B chromosomes in the Pisingallo race. In the present work crosses were made to determine whether the genes controlling B-TR are located on the normal chromosome set (As) or on the B chromosomes (Bs). We made female f.0B x male m.2B crosses between and within high (H) and low (L) B-TR groups. The Bs were transmitted on the male side in all cases. The mean B-TR from the progeny of f.0B (H) x m.2B (H) and f.0B (H) x m.2B (L) crosses was significantly higher than that from f.0B (L) x m.2B (L) and f.0B (L) x m.2B (H) crosses. The results show that the B-TR of the crosses corresponds to the H or L B-TR of the 0B female parents irrespective of the Bs of the male parent. This indicates that B-TR is genetically controlled by the 0B female parent and that these genes are located on the A chromosomes. Fil:Chiavarino, A.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Rosato, M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Poggio, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Naranjo, C.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1998 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00029122_v85_n11_p1581_Chiavarino |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
language |
Inglés |
orig_language_str_mv |
eng |
topic |
B chromosome B transmission rate control Maize Maize native races Poaceae Zea mays ssp. mays Zea mays |
spellingShingle |
B chromosome B transmission rate control Maize Maize native races Poaceae Zea mays ssp. mays Zea mays Chiavarino, A.M. Rosato, M. Rosi, P. Poggio, L. Naranjo, C.A. Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
topic_facet |
B chromosome B transmission rate control Maize Maize native races Poaceae Zea mays ssp. mays Zea mays |
description |
In previous papers we found that the frequency of B chromosomes in native races of maize varies considerably in different populations. Moreover, we found genotypes that control high and low transmission rates (TR) of B chromosomes in the Pisingallo race. In the present work crosses were made to determine whether the genes controlling B-TR are located on the normal chromosome set (As) or on the B chromosomes (Bs). We made female f.0B x male m.2B crosses between and within high (H) and low (L) B-TR groups. The Bs were transmitted on the male side in all cases. The mean B-TR from the progeny of f.0B (H) x m.2B (H) and f.0B (H) x m.2B (L) crosses was significantly higher than that from f.0B (L) x m.2B (L) and f.0B (L) x m.2B (H) crosses. The results show that the B-TR of the crosses corresponds to the H or L B-TR of the 0B female parents irrespective of the Bs of the male parent. This indicates that B-TR is genetically controlled by the 0B female parent and that these genes are located on the A chromosomes. |
format |
Artículo Artículo publishedVersion |
author |
Chiavarino, A.M. Rosato, M. Rosi, P. Poggio, L. Naranjo, C.A. |
author_facet |
Chiavarino, A.M. Rosato, M. Rosi, P. Poggio, L. Naranjo, C.A. |
author_sort |
Chiavarino, A.M. |
title |
Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
title_short |
Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
title_full |
Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
title_fullStr |
Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
title_full_unstemmed |
Localization of the genes controlling B chromosome transmission rate in maize (Zea mays ssp. mays, Poaceae) |
title_sort |
localization of the genes controlling b chromosome transmission rate in maize (zea mays ssp. mays, poaceae) |
publishDate |
1998 |
url |
http://hdl.handle.net/20.500.12110/paper_00029122_v85_n11_p1581_Chiavarino |
work_keys_str_mv |
AT chiavarinoam localizationofthegenescontrollingbchromosometransmissionrateinmaizezeamayssspmayspoaceae AT rosatom localizationofthegenescontrollingbchromosometransmissionrateinmaizezeamayssspmayspoaceae AT rosip localizationofthegenescontrollingbchromosometransmissionrateinmaizezeamayssspmayspoaceae AT poggiol localizationofthegenescontrollingbchromosometransmissionrateinmaizezeamayssspmayspoaceae AT naranjoca localizationofthegenescontrollingbchromosometransmissionrateinmaizezeamayssspmayspoaceae |
_version_ |
1769810305499529216 |