Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice
Severe lodging has occurred in many improved rice varieties after the recent strong typhoons in East and Southeast Asian countries. The indica variety Takanari possesses strong culm characteristics due to its large section modulus, which indicates culm thickness, whereas the japonica variety Koshihikari is subject to substantial bending stress due to its thick cortical fibre tissue. To detect quantitative trait loci (QTLs) for lodging resistance and to eliminate the effects of genetic background, we used reciprocal chromosome segment substitution lines (CSSLs) derived from a cross between Koshihikari and Takanari. The oppositional effects of QTLs for section modulus were confirmed in both genetic backgrounds on chromosomes 1, 5 and 6, suggesting that these QTLs are not affected by the genetic background and are controlled independently by a single factor. The candidate region of a QTL for section modulus included SD1. The section modulus of NIL-sd1 was lower than that of Koshihikari, whereas the section modulus of NIL-SD1 was higher than that of Takanari. This result indicated that those regions regulate the culm thickness. The reciprocal effects of the QTLs for cortical fibre tissue thickness were confirmed in both genetic backgrounds on chromosome 9 using CSSLs.
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Nature Publishing Group
2016
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Subjects: | AGRICULTURAL SCIENCES AND BIOTECHNOLOGY, LODGING RESISTANCE, CHROMOSOME MANIPULATION, RICE, |
Online Access: | http://hdl.handle.net/10883/18298 |
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dig-cimmyt-10883-182982023-11-14T21:25:13Z Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice Ookawa, Taiichiro Ryo Aoba Toshio Yamamoto Tadamasa Ueda Takai, Toshiyuki Shuichi Fukuoka Tsuyu Ando Shunsuke Adachi Makoto Matsuoka Takeshi Ebitani Yoichiro Kato Indria Wahyu Mulsanti Kishii, M. Reynolds, M.P. Piñera Chavez, F.J. Kotake, Toshihisa Shinji Kawasaki Takashi Motobayashi Hirasawa, Tadashi AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE Severe lodging has occurred in many improved rice varieties after the recent strong typhoons in East and Southeast Asian countries. The indica variety Takanari possesses strong culm characteristics due to its large section modulus, which indicates culm thickness, whereas the japonica variety Koshihikari is subject to substantial bending stress due to its thick cortical fibre tissue. To detect quantitative trait loci (QTLs) for lodging resistance and to eliminate the effects of genetic background, we used reciprocal chromosome segment substitution lines (CSSLs) derived from a cross between Koshihikari and Takanari. The oppositional effects of QTLs for section modulus were confirmed in both genetic backgrounds on chromosomes 1, 5 and 6, suggesting that these QTLs are not affected by the genetic background and are controlled independently by a single factor. The candidate region of a QTL for section modulus included SD1. The section modulus of NIL-sd1 was lower than that of Koshihikari, whereas the section modulus of NIL-SD1 was higher than that of Takanari. This result indicated that those regions regulate the culm thickness. The reciprocal effects of the QTLs for cortical fibre tissue thickness were confirmed in both genetic backgrounds on chromosome 9 using CSSLs. 2017-05-09T14:43:08Z 2017-05-09T14:43:08Z 2016 Article http://hdl.handle.net/10883/18298 10.1038/srep30572 English https://www.nature.com/articles/srep30572#Sec18 CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose. Open Access PDF EASTERN ASIA SOUTHEASTERN ASIA London Nature Publishing Group 6 Scientific Reports 30572 |
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AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE |
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AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE Ookawa, Taiichiro Ryo Aoba Toshio Yamamoto Tadamasa Ueda Takai, Toshiyuki Shuichi Fukuoka Tsuyu Ando Shunsuke Adachi Makoto Matsuoka Takeshi Ebitani Yoichiro Kato Indria Wahyu Mulsanti Kishii, M. Reynolds, M.P. Piñera Chavez, F.J. Kotake, Toshihisa Shinji Kawasaki Takashi Motobayashi Hirasawa, Tadashi Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
description |
Severe lodging has occurred in many improved rice varieties after the recent strong typhoons in East and Southeast Asian countries. The indica variety Takanari possesses strong culm characteristics due to its large section modulus, which indicates culm thickness, whereas the japonica variety Koshihikari is subject to substantial bending stress due to its thick cortical fibre tissue. To detect quantitative trait loci (QTLs) for lodging resistance and to eliminate the effects of genetic background, we used reciprocal chromosome segment substitution lines (CSSLs) derived from a cross between Koshihikari and Takanari. The oppositional effects of QTLs for section modulus were confirmed in both genetic backgrounds on chromosomes 1, 5 and 6, suggesting that these QTLs are not affected by the genetic background and are controlled independently by a single factor. The candidate region of a QTL for section modulus included SD1. The section modulus of NIL-sd1 was lower than that of Koshihikari, whereas the section modulus of NIL-SD1 was higher than that of Takanari. This result indicated that those regions regulate the culm thickness. The reciprocal effects of the QTLs for cortical fibre tissue thickness were confirmed in both genetic backgrounds on chromosome 9 using CSSLs. |
format |
Article |
topic_facet |
AGRICULTURAL SCIENCES AND BIOTECHNOLOGY LODGING RESISTANCE CHROMOSOME MANIPULATION RICE |
author |
Ookawa, Taiichiro Ryo Aoba Toshio Yamamoto Tadamasa Ueda Takai, Toshiyuki Shuichi Fukuoka Tsuyu Ando Shunsuke Adachi Makoto Matsuoka Takeshi Ebitani Yoichiro Kato Indria Wahyu Mulsanti Kishii, M. Reynolds, M.P. Piñera Chavez, F.J. Kotake, Toshihisa Shinji Kawasaki Takashi Motobayashi Hirasawa, Tadashi |
author_facet |
Ookawa, Taiichiro Ryo Aoba Toshio Yamamoto Tadamasa Ueda Takai, Toshiyuki Shuichi Fukuoka Tsuyu Ando Shunsuke Adachi Makoto Matsuoka Takeshi Ebitani Yoichiro Kato Indria Wahyu Mulsanti Kishii, M. Reynolds, M.P. Piñera Chavez, F.J. Kotake, Toshihisa Shinji Kawasaki Takashi Motobayashi Hirasawa, Tadashi |
author_sort |
Ookawa, Taiichiro |
title |
Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
title_short |
Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
title_full |
Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
title_fullStr |
Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
title_full_unstemmed |
Precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
title_sort |
precise estimation of genomic regions controlling lodging resistance using a set of reciprocal chromosome segment substitution lines in rice |
publisher |
Nature Publishing Group |
publishDate |
2016 |
url |
http://hdl.handle.net/10883/18298 |
work_keys_str_mv |
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