Phenotypic Plasticity in the Structure of Fine Adventitious Metasequoia glyptostroboides Roots Allows Adaptation to Aquatic and Terrestrial Environments
文献类型：期刊论文
| 作者 | Yang, Chaodong1; Zhang, Xia1; Wang, Ting1; Hu, Shuangshuang1; Zhou, Cunyu1; Zhang, Jian1; Wang, Qingfeng2 |
| 刊名 | PLANTS-BASEL
 |
| 出版日期 | 2019-11-01 |
| 卷号 | 8期号:11页码:12 |
| 关键词 | air spaces dilated parenchyma endodermis exodermis cork lignified Phi thickenings |
| DOI | 10.3390/plants8110501 |
| 英文摘要 | Metasequoia glyptostroboides (Cupressaceae) is a rare deciduous conifer which grows successfully in both aquatic and terrestrial environments. This tree has a narrow natural distribution in central China but is cultivated worldwide. Using histochemical staining and microscopy (both brightfield and epifluorescent), we investigated whether the phenotypic anatomical and histochemical plasticity in the fine adventitious roots of M. glyptostroboides has promoted the adaptation of this plant to aquatic and terrestrial environments. The fine root development and cortex sloughing of M. glyptostroboides occurs later in aquatic habitats than in terrestrial habitats. Anatomical and histochemical analyses have revealed that the apoplastic barriers in the primary growth of the fine roots consist of the endodermis and exodermis with Casparian bands, suberin lamellae, and secondarily lignified cell walls. There were also lignified phi (Phi) thickenings in the cortex. In both aquatic and terrestrial roots, secondary growth was observed in the vascular cambium, which produced secondary xylem and phloem, as well as in the phellogen, which produced cork. As compared to terrestrial adventitious roots, aquatic adventitious roots had multiple lignified Phi thickenings throughout the cortex, larger air spaces, dilated parenchyma, and dense suberin and lignin depositions in the exodermis. Our results thus indicate that phenotypic plasticity in the anatomical features of the fine adventitious roots, including apoplastic barriers, air spaces, and lignified Phi thickenings, might support the adaptation of M. glyptostroboides to both aquatic and terrestrial environments. |
| 资助项目 | Engineering Research Center of Ecology and Agriculture Use of Wetland, Ministry of Education opening fund, Yangtze University[KF201603] ; Key Laboratory of Aquatic Botany and Watershed Ecology opening fund (2017), Wuhan Botanical Garden, The Chinese Academy of Sciences |
| WOS研究方向 | Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000502258800065 |
| 出版者 | MDPI |
| 源URL | [http://202.127.146.157/handle/2RYDP1HH/14598]  |
| 专题 | 中国科学院武汉植物园 |
| 通讯作者 | Wang, Qingfeng |
| 作者单位 | 1.Yangtze Univ, Coll Hort & Gardening, Jingzhou 434025, Hubei, Peoples R China 2.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Hubei, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yang, Chaodong,Zhang, Xia,Wang, Ting,et al. Phenotypic Plasticity in the Structure of Fine Adventitious Metasequoia glyptostroboides Roots Allows Adaptation to Aquatic and Terrestrial Environments[J]. PLANTS-BASEL,2019,8(11):12. |
| APA | Yang, Chaodong.,Zhang, Xia.,Wang, Ting.,Hu, Shuangshuang.,Zhou, Cunyu.,...&Wang, Qingfeng.(2019).Phenotypic Plasticity in the Structure of Fine Adventitious Metasequoia glyptostroboides Roots Allows Adaptation to Aquatic and Terrestrial Environments.PLANTS-BASEL,8(11),12. |
| MLA | Yang, Chaodong,et al."Phenotypic Plasticity in the Structure of Fine Adventitious Metasequoia glyptostroboides Roots Allows Adaptation to Aquatic and Terrestrial Environments".PLANTS-BASEL 8.11(2019):12. |
入库方式： OAI收割
来源：武汉植物园
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