Identification of 21 novel S-RNase alleles and determination of S-genotypes in 66 loquat (Eriobotrya) accessions
Identification of 21 novel S-RNase alleles and determination of S-genotypes in 66 loquat (Eriobotrya) accessions
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66 个枇杷 (Eriobotrya) 种质中 21 个新 S-RNase 等位基因的鉴定和 S 基因型的测定
DOI：
10.1007/s11032-018-0800-7
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发表时间：
2018-05
影响因子：
3.1
通讯作者：
Peng Shu
中科院分区：
文献类型：
--
作者：
Yang Qin;Fu Yan;Wang Yongqing;Liu Lunpei;Li Xingyuan;Peng Shu
As observed in other self-incompatible species in the Pyrinae subtribe, loquat (Eriobotrya japonica) demonstrates gametophytic self-incompatibility that is controlled by the S-locus, which encodes a polymorphic stylar ribonuclease (S-RNase). This allows the female reproductive organ (style) to recognize and reject the pollen from individuals with the same S-alleles, but allows the pollen from individuals with different S-alleles to effect fertilization. The S-genotype is therefore an important consideration in breeding strategies and orchard management. In an attempt to optimize the selection of parental lines in loquat production, the S-RNase alleles of 35 loquat cultivars and their 26 progeny, as well as five wild loquat species, were identified and characterized in this study. The best pollinizer cultivar combinations were also explored. A total of 28 S-alleles were detected, 21 of which constituted novel S-RNase alleles. The S-haplotypes S2 and S6 were the most frequent, followed by S29, S31, S5, S24, S28, S33, S34, S32, and S15, while the rare alleles S1, S9, S14, S16, S17, S18, S19, S20, S21, S22, S23, S27, and S35 were only observed in one of the accessions tested. Moreover, the S-genotypes of five wild loquat species (E. prinoides, E. bengalensis, E. prinoides var. dadunensis, E. deflexa, and E. japonica) are reported here for the first time. The results will not only facilitate the selection of suitable pollinators for optimal orchard management, but could also encourage the crossbreeding of wild loquat species to enhance the genetic diversity of loquat cultivars.
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影响因子：
--
作者：
Y. Qi
通讯作者：
Y. Qi
影响因子：
5.3
作者：
Aguiar B;Vieira J;Cunha AE;Vieira CP
通讯作者：
Vieira CP
影响因子：
3.7
作者：
Aguiar B;Vieira J;Cunha AE;Fonseca NA;Iezzoni A;van Nocker S;Vieira CP
通讯作者：
Vieira CP
DOI：
10.5897/ajb11.701
发表时间：
2011
期刊：
--
影响因子：
--
作者：
Y. Sharafi;Ali-Reza Motallebbi-Azar;A. Bahmani
通讯作者：
Y. Sharafi;Ali-Reza Motallebbi-Azar;A. Bahmani
影响因子：
4.3
作者：
Reut Nyska;S. Shafir;M. Goldway;D. Schneider
通讯作者：
Reut Nyska;S. Shafir;M. Goldway;D. Schneider