Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)

Myricaria laxiflora (Tamaricaceae) is an endangered plant that is narrowly distributed in the riparian zone of the Three Gorges, along the Yangtze River, China. Using bright-field and epifluorescence microscopy, we investigated the anatomical and histochemical features that allow this species to tol...

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Autores principales:	Li Linbao, Wu Di, Zhen Qiaoling, Zhang Jun, Qiu Liwen, Huang Guiyun, Yang Chaodong
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	aerenchyma apoplastic barriers endodermis lignified cortex and hypodermis thick papillose cuticle Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/3f4dba59e6ea4e40bc31a75c3e579823
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spelling	oai:doaj.org-article:3f4dba59e6ea4e40bc31a75c3e5798232021-12-05T14:10:41ZMorphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)2391-541210.1515/biol-2021-0049https://doaj.org/article/3f4dba59e6ea4e40bc31a75c3e5798232021-05-01T00:00:00Zhttps://doi.org/10.1515/biol-2021-0049https://doaj.org/toc/2391-5412Myricaria laxiflora (Tamaricaceae) is an endangered plant that is narrowly distributed in the riparian zone of the Three Gorges, along the Yangtze River, China. Using bright-field and epifluorescence microscopy, we investigated the anatomical and histochemical features that allow this species to tolerate both submerged and terrestrial environments. The adventitious roots of Myr. laxiflora had an endodermis with Casparian bands and suberin lamellae; the cortex and hypodermal walls had lignified thickenings in the primary structure. In the mature roots, the secondary structure had cork. The apoplastic barriers in stems consisted of a lignified fiber ring and a cuticle at the young stage and cork at the mature stage. The leaves had two layers of palisade tissue, a hyaline epidermis, sunken stomata, and a thick, papillose cuticle. Aerenchyma presented in the roots and shoots. Several Myr. laxiflora structures, including aerenchyma, apoplastic barriers in the roots and shoots, were adapted to riparian habitats. In addition, shoots had typical xerophyte features, including small leaves, bilayer palisade tissues, sunken stomata, a thick, papillose cuticle, and a hyaline epidermis. Thus, our study identified several anatomical features that may permit Myr. laxiflora to thrive in the riparian zone of the Three Gorges, China.Li LinbaoWu DiZhen QiaolingZhang JunQiu LiwenHuang GuiyunYang ChaodongDe Gruyterarticleaerenchymaapoplastic barriersendodermislignified cortex and hypodermisthick papillose cuticleBiology (General)QH301-705.5ENOpen Life Sciences, Vol 16, Iss 1, Pp 455-463 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	aerenchyma apoplastic barriers endodermis lignified cortex and hypodermis thick papillose cuticle Biology (General) QH301-705.5
spellingShingle	aerenchyma apoplastic barriers endodermis lignified cortex and hypodermis thick papillose cuticle Biology (General) QH301-705.5 Li Linbao Wu Di Zhen Qiaoling Zhang Jun Qiu Liwen Huang Guiyun Yang Chaodong Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
description	Myricaria laxiflora (Tamaricaceae) is an endangered plant that is narrowly distributed in the riparian zone of the Three Gorges, along the Yangtze River, China. Using bright-field and epifluorescence microscopy, we investigated the anatomical and histochemical features that allow this species to tolerate both submerged and terrestrial environments. The adventitious roots of Myr. laxiflora had an endodermis with Casparian bands and suberin lamellae; the cortex and hypodermal walls had lignified thickenings in the primary structure. In the mature roots, the secondary structure had cork. The apoplastic barriers in stems consisted of a lignified fiber ring and a cuticle at the young stage and cork at the mature stage. The leaves had two layers of palisade tissue, a hyaline epidermis, sunken stomata, and a thick, papillose cuticle. Aerenchyma presented in the roots and shoots. Several Myr. laxiflora structures, including aerenchyma, apoplastic barriers in the roots and shoots, were adapted to riparian habitats. In addition, shoots had typical xerophyte features, including small leaves, bilayer palisade tissues, sunken stomata, a thick, papillose cuticle, and a hyaline epidermis. Thus, our study identified several anatomical features that may permit Myr. laxiflora to thrive in the riparian zone of the Three Gorges, China.
format	article
author	Li Linbao Wu Di Zhen Qiaoling Zhang Jun Qiu Liwen Huang Guiyun Yang Chaodong
author_facet	Li Linbao Wu Di Zhen Qiaoling Zhang Jun Qiu Liwen Huang Guiyun Yang Chaodong
author_sort	Li Linbao
title	Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
title_short	Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
title_full	Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
title_fullStr	Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
title_full_unstemmed	Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)
title_sort	morphological structures and histochemistry of roots and shoots in myricaria laxiflora (tamaricaceae)
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/3f4dba59e6ea4e40bc31a75c3e579823
work_keys_str_mv	AT lilinbao morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT wudi morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT zhenqiaoling morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT zhangjun morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT qiuliwen morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT huangguiyun morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae AT yangchaodong morphologicalstructuresandhistochemistryofrootsandshootsinmyricarialaxifloratamaricaceae
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Morphological structures and histochemistry of roots and shoots in Myricaria laxiflora (Tamaricaceae)

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