草业学报 ›› 2026, Vol. 35 ›› Issue (4): 221-232.DOI: 10.11686/cyxb2025155
• 综合评述 • 上一篇
郭一荻1,2(
), 刘凌云2, 范希峰2, 岳跃森2, 穆娜2, 常智慧1(
), 滕珂2(
)
收稿日期:2025-04-24
修回日期:2025-07-10
出版日期:2026-04-20
发布日期:2026-02-07
通讯作者:
常智慧,滕珂
作者简介:tengke@baafs.net.cn基金资助:
Yi-di GUO1,2(
), Ling-yun LIU2, Xi-feng FAN2, Yue-sen YUE2, Na MU2, Zhi-hui CHANG1(
), Ke TENG2(
)
Received:2025-04-24
Revised:2025-07-10
Online:2026-04-20
Published:2026-02-07
Contact:
Zhi-hui CHANG,Ke TENG
摘要:
狼尾草属植物兼具牧草、观赏草、能源草和生态修复草的重要价值。自2017年美洲狼尾草基因组首个高质量参考序列发布,狼尾草属植物研究进入了基因组学时代,为其属资源开发与分子育种提供了重要基础。开展基因组学研究为解析狼尾草属植物的遗传进化机制、挖掘重要性状功能基因及设计精准育种策略等提供了关键支撑。本研究系统梳理了狼尾草属植物基因组学的研究进展,涵盖基因组测序与组装技术,比较基因组学与进化分析、功能基因组学研究、群体遗传学及分子育种应用,旨在为狼尾草属植物的基因组学及其相关应用研究提供理论参考。
郭一荻, 刘凌云, 范希峰, 岳跃森, 穆娜, 常智慧, 滕珂. 狼尾草属植物基因组学研究进展[J]. 草业学报, 2026, 35(4): 221-232.
Yi-di GUO, Ling-yun LIU, Xi-feng FAN, Yue-sen YUE, Na MU, Zhi-hui CHANG, Ke TENG. Progress in genomic research on Pennisetum[J]. Acta Prataculturae Sinica, 2026, 35(4): 221-232.
图1 中国狼尾草属植物分布情况a: 中国狼尾草属植物分布情况(根据中国植物志绘制),基于自然资源部标准地图服务网站GS(2016)1571号标准地图制作,底图边界无修改The geographical distribution of Pennisetum in China (based on the Flora Reipublicae Popularis Sinicae), based on the standard map service website GS (2016)1571 of the Ministry of Natural Resources, the boundary of the base map is not modified; b: 部分狼尾草属代表性物种的核型Karyotypes of representative species of Pennisetum.
Fig.1 The geographical distribution of Pennisetum in China
图2 部分狼尾草属基因组测序植物a: 美洲狼尾草P.americanus; b: 象草P. purpureum; c: 狼尾草P. alopecuroides.
Fig. 2 Genome-sequenced plants of certain species within the genus Pennisetum
材料 Materials | 物种 Species | 测序和组装方法 Sequencing and assembly methods | 支架N50 Scaffold N50 | 重叠群N50 Contig N50 | 基因组大小 Genome size | 基因数量 Gene No. | 文献 Reference |
|---|---|---|---|---|---|---|---|
| Tift 23D2B1-P1-P5 | PA | Illlumina WGS/BAC+Multiple | 0.88 Mb | 0.02 Mb | 1.76 Gb | 38579 | [ |
| PI537069 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 266.84 Mb | 61.62Mb | - | 35486 | [ |
| PI521612 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 278.46 Mb | 5.40 Mb | - | 37906 | [ |
| PI587025 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 257.50 Mb | 5.15 Mb | - | 38076 | [ |
| PI583800 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 261.45 Mb | 3.10 Mb | - | 35826 | [ |
| Tifleaf3 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 279.17 Mb | 25.57 Mb | - | 37280 | [ |
| PI526529 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 286.98 Mb | 79.18 Mb | - | 36451 | [ |
| PI186338 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 284.64 Mb | 3.80 Mb | - | 36343 | [ |
| PI343841 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 263.66 Mb | 5.10 Mb | - | 36312 | [ |
| PI527388 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 193.80 Mb | 3.10 Mb | - | 37866 | [ |
| PI250656 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 276.63 Mb | 4.20 Mb | - | 36923 | [ |
| Tift23D2B1-P1-P5 | PA | PacBio HiFi+hifasm+BioNano | 279.00 Mb | 129.40 Mb | - | 50339 | [ |
| ICMR 06777 | PA | PacBio HiFi+hifasm+BioNano | 144.60 Mb | 71.70 Mb | - | 57822 | [ |
| 843 B | PA | PacBio HiFi+hifasm+BioNano | 144.00 Mb | 126.50 Mb | - | 54176 | [ |
| Tift23D2B1-P1-P5 | PA | Oxford nanopore+Bionaon | 81.82 Mb | 1.15 Mb | 1.94 Gb | 36898 | [ |
| Aw | PA | PacBio HiFi+Omni-C | - | 284.00 Mb | 1.92 Gb | 38920 | [ |
| P10 | PA | PacBio HiFi+Omni-C | - | 244.00 Mb | 1.93 Gb | 40869 | [ |
| 紫色象草Purple | PP | Oxford nanopore technologies+Hi-C | 455.00 bp | 1.83 Mb | 2.01 Gb | 65927 | [ |
| CIAT6263 | PP | Nanopore+HiC | 8.47 Mb | 2.90 Mb | 2.07 Gb | 77139 | [ |
| 丽秋 Liqiu | PAL | PacBio+Illumina+Hi-C | 91.33 Mb | 84.83 Mb | 845.71 Mb | 34312 | [ |
| P. giganteum | PF | PacBio+Hi-C | - | 88.47 Mb | 2.03 Gb | - | [ |
| JUJUNCAO | PF | PacBio HiFi+Hi-C | - | 134.10 Mb | 1.99 Gb | 68526 | [ |
表1 狼尾草属植物基因组测序研究进展
Table 1 Research progress of genome sequencing of Pennisetum
材料 Materials | 物种 Species | 测序和组装方法 Sequencing and assembly methods | 支架N50 Scaffold N50 | 重叠群N50 Contig N50 | 基因组大小 Genome size | 基因数量 Gene No. | 文献 Reference |
|---|---|---|---|---|---|---|---|
| Tift 23D2B1-P1-P5 | PA | Illlumina WGS/BAC+Multiple | 0.88 Mb | 0.02 Mb | 1.76 Gb | 38579 | [ |
| PI537069 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 266.84 Mb | 61.62Mb | - | 35486 | [ |
| PI521612 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 278.46 Mb | 5.40 Mb | - | 37906 | [ |
| PI587025 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 257.50 Mb | 5.15 Mb | - | 38076 | [ |
| PI583800 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 261.45 Mb | 3.10 Mb | - | 35826 | [ |
| Tifleaf3 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 279.17 Mb | 25.57 Mb | - | 37280 | [ |
| PI526529 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 286.98 Mb | 79.18 Mb | - | 36451 | [ |
| PI186338 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 284.64 Mb | 3.80 Mb | - | 36343 | [ |
| PI343841 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 263.66 Mb | 5.10 Mb | - | 36312 | [ |
| PI527388 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 193.80 Mb | 3.10 Mb | - | 37866 | [ |
| PI250656 | PA | PacBio HiFi+Bionano+Hi-C+Illumina | 276.63 Mb | 4.20 Mb | - | 36923 | [ |
| Tift23D2B1-P1-P5 | PA | PacBio HiFi+hifasm+BioNano | 279.00 Mb | 129.40 Mb | - | 50339 | [ |
| ICMR 06777 | PA | PacBio HiFi+hifasm+BioNano | 144.60 Mb | 71.70 Mb | - | 57822 | [ |
| 843 B | PA | PacBio HiFi+hifasm+BioNano | 144.00 Mb | 126.50 Mb | - | 54176 | [ |
| Tift23D2B1-P1-P5 | PA | Oxford nanopore+Bionaon | 81.82 Mb | 1.15 Mb | 1.94 Gb | 36898 | [ |
| Aw | PA | PacBio HiFi+Omni-C | - | 284.00 Mb | 1.92 Gb | 38920 | [ |
| P10 | PA | PacBio HiFi+Omni-C | - | 244.00 Mb | 1.93 Gb | 40869 | [ |
| 紫色象草Purple | PP | Oxford nanopore technologies+Hi-C | 455.00 bp | 1.83 Mb | 2.01 Gb | 65927 | [ |
| CIAT6263 | PP | Nanopore+HiC | 8.47 Mb | 2.90 Mb | 2.07 Gb | 77139 | [ |
| 丽秋 Liqiu | PAL | PacBio+Illumina+Hi-C | 91.33 Mb | 84.83 Mb | 845.71 Mb | 34312 | [ |
| P. giganteum | PF | PacBio+Hi-C | - | 88.47 Mb | 2.03 Gb | - | [ |
| JUJUNCAO | PF | PacBio HiFi+Hi-C | - | 134.10 Mb | 1.99 Gb | 68526 | [ |
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