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Classification of archaic rice grains excavated at the Mojiaoshan site within the Liangzhu site complex reveals an Indica and Japonica chloroplast complex

文献类型： 外文期刊

作者： Tanaka, Katsunori 1 ; Zhao, Chunfang 2 ; Wang, Ningyuan 3 ; Kubota, Shinji 4 ; Kanehara, Masaaki 5 ; Kamijo, Nobuhiko 1 ; Ishikawa, Ryuji 1 ; Tasaki, Hiroyuki 7 ; Kanehara, Minako 5 ; Liu, Bin 3 ; Chen, Minghui 3 ; Nakamura, Shin-ichi 4 ; Udatsu, Tetsuro 8 ; Wang, Cailin 2 ;

作者机构： 1.Hirosaki Univ, Fac Agr & Life Sci, 3 Bunkyo, Hirosaki, Aomori 0368561, Japan

2.Jiangsu Acad Agr Sci, Inst Food Crops, Nanjing 210014, Jiangsu, Peoples R China

3.Zhejiang Prov Inst Cultural Rel & Archaeol, Gongshuqu Jiashanxincun26, Hangzhou 310014, Zhejiang, Peoples R China

4.Kanazawa Univ, Ctr Cultural Resource Studies, Kanazawa, Ishikawa 9201192, Japan

5.Nara Univ Educ, Dept Teacher Training, Takahata, Nara 6308528, Japan

6.Nara Univ Educ, Sch Educ, Takahata, Nara 6308528, Japan

7.Ehime Univ, Archaeol Res Ctr, 10-13 Dogo Hi Mata, Matsuyama, Ehime 7908577, Japan

8.Miyazaki Univ, Fac Agr, Agr Museum, 1-1 Gakuen Kibana Dai Nishi, Miyazaki, Miyazaki 8892192, Japan

关键词： Agriculture; Archaeology; Archaic DNA; Diversity; Mojiaoshan; Rice

期刊名称：FOOD PRODUCTION PROCESSING AND NUTRITION （ 2022影响因子：4.7； 五年影响因子：5.0 ）

ISSN：

年卷期： 2020 年 2 卷 1 期

页码：

收录情况： SCI

摘要： To understand rice types that were utilized during postdomestication and in the modern age and the potential of genetic research in aged rice materials, archaeogenetic analysis was conducted for two populations of archaic rice grains from the Mojiaoshan site during the Liangzhu Period in China (2940 to 2840 BC). Sequencing after the PCR amplification of three regions of the chloroplast genome and one region of the nuclear genome showed recovery rates that were comparable to those in previous studies except for one chloroplast genome region, suggesting that the materials used in this work were appropriate for recovering genetic information related to domestication traits by using advanced technology. Classification after sequencing in these regions proved the existence of Japonica and Indica chloroplasts in archaic grains from the west trench, which were subsequently classified into eight plastid groups (type I-VIII), and indicated that these rice grains derived from different maternal lineages were stored together in storage houses at the Mojiaohsan site. Among these plastid groups, type V exhibited the same sequences as two modern Indica accessions that are utilized in basic studies and rice breeding. It was inferred that part of the chloroplast genome of archaic rice has been preserved in modern genetic resources in these two modern Indica accessions, and the results indicated that rice related to their maternal ancestor was present at the Mojiaoshan site during the Liangzhu Period in China. The usefulness of archaeogenetic analysis can be demonstrated by our research data as well as previous studies, providing encouragement for the possibility that archaeogenetic analysis can be applied to older rice materials that were utilized in the rice-domesticated period.

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