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Article

Two Expansin Genes, AtEXPA4 and AtEXPB5, Are Redundantly Required for Pollen Tube Growth and AtEXPA4 Is Involved in Primary Root Elongation in Arabidopsis thaliana.

Genes - 10 Feb 2021

Liu Weimiao, Xu Liai, Lin Hui, Cao Jiashu

Abstract excerpt

The growth of plant cells is inseparable from relaxation and expansion of cell walls. Expansins are a class of cell wall binding proteins, which play important roles in the relaxation of cell walls. Although there are many members in expansin gene family, the functions of most expansin genes in plant growth and development are still poorly understood. In this study, the functions of two expansin genes, AtEXPA4...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Share to Sequence Homology, Nucleic Acid

Source

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Identifiers

PMID: 33578704
DOI: 10.3390/genes12020249
PMCID: PMC7916401

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Two Expansin Genes, AtEXPA4 and AtEXPB5, Are Redundantly Required for Pollen Tube Growth and AtEXPA4 Is Involved in Primary Root Elongation in Arabidopsis thaliana.PMID 33578704Read ↗

PhEXPA1, a Petunia hybrida expansin, is involved in cell wall metabolism and in plant architecture specification.Semantic proximity Read ↗

Expansins and cell growth.Semantic proximity Read ↗

RhEXPA4, a rose expansin gene, modulates leaf growth and confers drought and salt tolerance to Arabidopsis.Semantic proximity Read ↗

Overexpression of two cambium-abundant Chinese fir (Cunninghamia lanceolata) α-expansin genes ClEXPA1 and ClEXPA2 affect growth and development in transgenic tobacco and increase the amount of cellulose in stem cell walls.Semantic proximity Read ↗

EXPANSIN15 is involved in flower and fruit development in Arabidopsis.Semantic proximity Read ↗

Overexpression of PhEXPA1 increases cell size, modifies cell wall polymer composition and affects the timing of axillary meristem development in Petunia hybrida.Semantic proximity Read ↗

Brassinosteroids control AtEXPA5 gene expression in Arabidopsis thaliana.Semantic proximity Read ↗

Identification of expansin genes as promoting or repressing factors for leaf elongation in tall fescue.Semantic proximity Read ↗

AtEXP2 is involved in seed germination and abiotic stress response in Arabidopsis.Semantic proximity Read ↗

Downregulation of the Petunia hybrida alpha-expansin gene PhEXP1 reduces the amount of crystalline cellulose in cell walls and leads to phenotypic changes in petal limbs.Semantic proximity Read ↗

Soybean (Glycine max) expansin gene superfamily origins: segmental and tandem duplication events followed by divergent selection among subfamilies.Semantic proximity Read ↗

Regulation of expansin gene expression affects growth and development in transgenic rice plants.Semantic proximity Read ↗

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