YANG Huan-chun,LI Yong,SHAN Hong,et al.Study on Field and Storage Fungal Community Diversity in Japonica Rice of Heilongjiang Province[J].HEILONGJIANG AGRICULTURAL SCIENCES,2020,(12):86-92.[doi:10.11942/j.issn1002-2767.2020.12.0086]
黑龙江省粳稻田间与储藏真菌群落演替规律研究
- Title:
- Study on Field and Storage Fungal Community Diversity in Japonica Rice of Heilongjiang Province
- 文献标志码:
- A
- 摘要:
- 为促进黑龙江省稻谷合理仓储,保障黑龙江省粳稻品质安全,采用Illumina Hiseq高通量测序方法,于2016年秋季在黑龙江省五常地区分别采收3份新鲜水稻样品、将这些样品仓储1,2和3 a后进行ITS区的高通量测序,分析了物种组成和丰度、Alpha多样性和菌群结构。结果表明:入库储藏3 a后,稻谷样品储藏真菌群落构成演化为子囊菌门(Ascomycota)仍占绝对优势,但比重由94.4%下降为82.1%;散囊菌目(Eurotiales,25.6%)和煤炱目(Capnodiales,20.1%)为优势目;曲霉属(Aspergillus,24.7%)和节担菌属(Wallemia,7.4%)为优势属;帚状曲霉(Aspergillus penicillioides,14.3%)为优势种。不同储藏时间的水稻样品真菌物种组成丰富,真菌种群结构存在一定差异。
- Abstract:
- In order to promote reasonable storage and quality safety of paddy rice in Heilongjiang Province,three freshly harvested rice samples were collected in 2016 and stored for 1,2,and 3 years,then analyzed through high-throughput sequencing of Illumina Hiseq to investigate the composition of storage fungal community.These rice samples were conducted high-throughput sequencing of ITS region,species composition,abundance,alpha diversity,and community structure were also analyzed.The results indicated that through three years storage,the storage fungal community in rice samples changed to as follow: Ascomycota was still the absolute predominant phylum,however the proportion declined from 94.4% to 82.1%; Eurotiales(25.6%) and Capnodiales (20.1%) were the predominant order;Aspergillus(24.7%) and Wallemia(7.4%) were the predominant genus;Aspergillus penicillioides(14.3%) was the predominant specie.Fungal species composition of rice samples stored for different times were abundant and differences of fungal composition structure existed among these rice samples.
参考文献/References:
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备注/Memo
收稿日期:2020-07-24