| A telomere-to-telomere gap-free reference genome assembly of avocado provides useful resources for identifying genes related to fatty acid biosynthesis and disease resistance | |
Yang, Tianyu1,2,3; Cai, Yifan; Huang, Tianping4; Yang, Danni; Yang, Xingyu3; Yin, Xin; Zhang, Chengjun1; Yang, Yunqiang1,5; Yang, Yongping1,5
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| 2024 | |
| Source Publication | HORTICULTURE RESEARCH
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| ISSN | 2662-6810 |
| Volume | 11Issue:7Pages:_ |
| Abstract | Avocado (Persea americana Mill.) is an economically valuable plant because of the high fatty acid content and unique flavor of its fruits. Its fatty acid content, especially the relatively high unsaturated fatty acid content, provides significant health benefits. We herein present a telomere-to-telomere gapless genome assembly (841.6 Mb) of West Indian avocado. The genome contains 40 629 predicted protein-coding genes. Repeat sequences account for 57.9% of the genome. Notably, all telomeres, centromeres, and a nucleolar organizing region are included in this genome. Fragments from these three regions were observed via fluorescence in situ hybridization. We identified 376 potential disease resistance-related nucleotide-binding leucine-rich repeat genes. These genes, which are typically clustered on chromosomes, may be derived from gene duplication events. Five NLR genes (Pa11g0262, Pa02g4855, Pa07g3139, Pa07g0383, and Pa02g3196) were highly expressed in leaves, stems, and fruits, indicating they may be involved in avocado disease responses in multiple tissues. We also identified 128 genes associated with fatty acid biosynthesis and analyzed their expression patterns in leaves, stems, and fruits. Pa02g0113, which encodes one of 11 stearoyl-acyl carrier protein desaturases mediating C18 unsaturated fatty acid synthesis, was more highly expressed in the leaves than in the stems and fruits. These findings provide valuable insights that enhance our understanding of fatty acid biosynthesis in avocado. |
| Subject Area | Plant Sciences ; Genetics & Heredity ; Horticulture |
| DOI | 10.1093/hr/uhae119 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:001260367800004 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | https://ir.xtbg.ac.cn/handle/353005/14257 |
| Collection | 2012年后新成立研究组 |
| Affiliation | 1.Chinese Acad Sci, CAS Key Lab Trop Plant Resources & Sustainable Use, Xishuangbanna Trop Bot Garden, Kunming 650223, Yunnan, Peoples R China 2.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Crop Wild Relat Om, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China 3.Yunnan Univ, Sch Life Sci, Kunming 650091, Yunnan, Peoples R China 4.Univ Chinese Acad Sci, Kunming Coll Life Sci, Beijing 100049, Peoples R China 5.Chinese Acad Sci, Ctr Gardening & Hort, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China 6.Chinese Acad Sci, Inst Tibetan Plateau Res Kunming, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China |
| Recommended Citation GB/T 7714 | Yang, Tianyu,Cai, Yifan,Huang, Tianping,et al. A telomere-to-telomere gap-free reference genome assembly of avocado provides useful resources for identifying genes related to fatty acid biosynthesis and disease resistance[J]. HORTICULTURE RESEARCH,2024,11(7):_. |
| APA | Yang, Tianyu.,Cai, Yifan.,Huang, Tianping.,Yang, Danni.,Yang, Xingyu.,...&Yang, Yongping.(2024).A telomere-to-telomere gap-free reference genome assembly of avocado provides useful resources for identifying genes related to fatty acid biosynthesis and disease resistance.HORTICULTURE RESEARCH,11(7),_. |
| MLA | Yang, Tianyu,et al."A telomere-to-telomere gap-free reference genome assembly of avocado provides useful resources for identifying genes related to fatty acid biosynthesis and disease resistance".HORTICULTURE RESEARCH 11.7(2024):_. |
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| A telomere-to-telome（2793KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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