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Diverse Host Spectrum and the Parasitic Process in the Pantropical Hemiparasite Cassytha filiformis L. (Lauraceae) in China

文献类型： 外文期刊

作者： Liu, Zhi-Fang 1 ; Ci, Xiu-Qin 4 ; Zhang, Shi-Fang 4 ; Zhang, Xiao-Yan 4 ; Zhang, Xue 7 ; Dong, Li-Na 8 ; Conran, John G. 9 ; Li, Jie 4 ;

作者机构： 1.Shandong Acad Agr Sci, Inst Leisure Agr, Jinan 250131, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab East China Urban Agr, Jinan 250131, Peoples R China

3.Shandong Engn Res Ctr Ecol Hort Plant Breeding, Jinan 250131, Peoples R China

4.Chinese Acad Sci, Ctr Integrat Conservat, Plant Phylogenet & Conservat Grp, Xishuangbanna Trop Bot Garden, Kunming 650201, Peoples R China

5.Chinese Acad Sci, Ctr Conservat Biol, Core Bot Gardens, Mengla 666300, Peoples R China

6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

7.Shandong Univ, Cheeloo Coll Med, Sch Pharmaceut Sci, Key Lab Chem Biol, Jinan 250012, Peoples R China

8.Chinese Acad Sci, Guangxi Inst Bot, Guilin 541006, Peoples R China

9.Univ Adelaide, Australian Ctr Evolutionary Biol & Biodivers, Sprigg Geobiol Ctr, Sch Biol Sci, Adelaide, SA 5005, Australia

关键词： hemiparasite-host species; phylogenetic; Cassytha; Lauraceae; woody plants

期刊名称：DIVERSITY-BASEL （ 影响因子：2.4； 五年影响因子：2.5 ）

ISSN：

年卷期： 2023 年 15 卷 4 期

页码：

收录情况： SCI

摘要： Many hemiparasites attach to a range of different host species, resulting in complex parasite-host interactions. Comprehensive molecular phylogenies allow the investigation of evolutionary relationships between these host plants. We surveyed the hosts of the laurel dodder (Cassytha filiformis, Lauraceae) in China, representing 184 species from 146 genera, 67 families, and spanning flowering plants, conifers, and ferns, using host phylogenetic relationships to investigate the susceptibility to attack by this hemiparasitic plant among the vascular plants. The process of produced well-formed haustoria by C. filiformis was also observed in detail for six different hosts. Our results show that C. filiformis grows mainly on trees and shrubs from phylogenetically divergent members of the rosid and asterid eudicot clades, often attacking multiple adjacent hosts simultaneously, and forming extensive colonies. However, whether and to what extent transitions between C. filiformis and host plants occur remain unclear. Physiological evidence for the complex parasite-host species interactions need to be studied in the future.

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