Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo

Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo

ZAG2 has been identified as a maternally expressed imprinted gene in maize endosperm. Our study revealed that paternally inherited ZAG2 alleles were imprinted in maize endosperm and embryo at 14 days after pollination (DAP), and consistently imprinted in endosperm at 10, 12, 16, 18, 20, 22, 24, 26,...

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Main Authors: Chaoxian Liu, Jiuguang Wang, Xiupeng Mei, Xiaojing Deng, Tingting Yu, Xiaoli Liu, Guoqiang Wang, Zhizhai Liu, Yilin Cai
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2015-02-01
Series:Crop Journal
Subjects:
Gene imprinting
ZAG2
Expression pattern
Endosperm
Embryo
Online Access:http://www.sciencedirect.com/science/article/pii/S2214514114000920
id doaj-302501df0e854b17892d1464f12ae74a
record_format Article
spelling doaj-302501df0e854b17892d1464f12ae74a2021-02-02T01:40:47ZengKeAi Communications Co., Ltd.Crop Journal2095-54212214-51412015-02-01317479doi:10.1016/j.cj.2014.10.001Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryoChaoxian Liu 0Jiuguang Wang 1Xiupeng Mei 2Xiaojing Deng 3Tingting Yu 4Xiaoli Liu 5Guoqiang Wang 6Zhizhai Liu 7Yilin Cai 8Maize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaMaize Research Institute, Southwest University, Chongqing 400715, ChinaZAG2 has been identified as a maternally expressed imprinted gene in maize endosperm. Our study revealed that paternally inherited ZAG2 alleles were imprinted in maize endosperm and embryo at 14 days after pollination (DAP), and consistently imprinted in endosperm at 10, 12, 16, 18, 20, 22, 24, 26, and 28 DAP in reciprocal crosses between B73 and Mo17. ZAG2 alleles were also imprinted in reciprocal crosses between Zheng 58 and Chang 7-2 and between Huang C and 178. ZAG2 alleles exhibited differential imprinting in hybrids of 178 × Huang C and B73 × Mo17, while in other hybrids ZAG2 alleles exhibited binary imprinting. The tissue-specific expression pattern of ZAG2 showed that ZAG2 was expressed at a high level in immature ears, suggesting that ZAG2 plays important roles in not only kernel but ear development.http://www.sciencedirect.com/science/article/pii/S2214514114000920Gene imprintingZAG2Expression patternEndospermEmbryo
collection DOAJ
language English
format Article
sources DOAJ
author Chaoxian Liu
Jiuguang Wang
Xiupeng Mei
Xiaojing Deng
Tingting Yu
Xiaoli Liu
Guoqiang Wang
Zhizhai Liu
Yilin Cai
spellingShingle Chaoxian Liu
Jiuguang Wang
Xiupeng Mei
Xiaojing Deng
Tingting Yu
Xiaoli Liu
Guoqiang Wang
Zhizhai Liu
Yilin Cai
Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
Crop Journal
Gene imprinting
ZAG2
Expression pattern
Endosperm
Embryo
author_facet Chaoxian Liu
Jiuguang Wang
Xiupeng Mei
Xiaojing Deng
Tingting Yu
Xiaoli Liu
Guoqiang Wang
Zhizhai Liu
Yilin Cai
author_sort Chaoxian Liu
title Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
title_short Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
title_full Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
title_fullStr Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
title_full_unstemmed Characterization of the imprinting and expression patterns of ZAG2 in maize endosperm and embryo
title_sort characterization of the imprinting and expression patterns of zag2 in maize endosperm and embryo
publisher KeAi Communications Co., Ltd.
series Crop Journal
issn 2095-5421
2214-5141
publishDate 2015-02-01
description ZAG2 has been identified as a maternally expressed imprinted gene in maize endosperm. Our study revealed that paternally inherited ZAG2 alleles were imprinted in maize endosperm and embryo at 14 days after pollination (DAP), and consistently imprinted in endosperm at 10, 12, 16, 18, 20, 22, 24, 26, and 28 DAP in reciprocal crosses between B73 and Mo17. ZAG2 alleles were also imprinted in reciprocal crosses between Zheng 58 and Chang 7-2 and between Huang C and 178. ZAG2 alleles exhibited differential imprinting in hybrids of 178 × Huang C and B73 × Mo17, while in other hybrids ZAG2 alleles exhibited binary imprinting. The tissue-specific expression pattern of ZAG2 showed that ZAG2 was expressed at a high level in immature ears, suggesting that ZAG2 plays important roles in not only kernel but ear development.
topic Gene imprinting
ZAG2
Expression pattern
Endosperm
Embryo
url http://www.sciencedirect.com/science/article/pii/S2214514114000920
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