Results 1 to 10 of about 22,743 (113)

Rice GA3ox1 modulates pollen starch granule accumulation and pollen wall development. [PDF]

open access: yesPLoS ONE, 2023
The rice GA biosynthetic gene OsGA3ox1 has been proposed to regulate pollen development through the gametophytic manner, but cellular characterization of its mutant pollen is lacking.
Kun-Ting Hsieh   +11 more
doaj   +2 more sources

Comparative transcriptome analysis and ChIP-sequencing reveals stage-specific gene expression and regulation profiles associated with pollen wall formation in Brassica rapa [PDF]

open access: yesBMC Genomics, 2019
Background Genic male sterility (GMS) line is an important approach to utilize heterosis in Brassica rapa, one of the most widely cultivated vegetable crops in Northeast Asia. However, the molecular genetic mechanisms of GMS remain to be largely unknown.
Xiuping Shen   +8 more
doaj   +2 more sources

Ostkpr1 functions in anther cuticle development and pollen wall formation in rice [PDF]

open access: yesBMC Plant Biology, 2019
Background During pollen wall formation in flowering plants, a conserved metabolon consisting of acyl-CoA synthetase (ACOS), polyketide synthase (PKS) and tetraketide α-pyrone reductase (TKPR), is required for sporopollenin synthesis.
Dawei Xu   +5 more
doaj   +2 more sources

CaZAT5 delays the flowering time in tomato and affects pollen viability and anther dehiscence. [PDF]

open access: yesPLoS Genetics
Male sterility (MS) plays a crucial role in plant reproduction and hybrid breeding as it is associated with pollen viability and release. However, the regulatory mechanisms governing anther dehiscence in peppers remain poorly characterized.
Jiachang Xiao   +9 more
doaj   +2 more sources

Hidden Xyloglucan Architecture of the Pollen Intine in Gagea lutea Revealed by Sequential Enzymatic Unmasking [PDF]

open access: yesBiology
The organisation of hemicelluloses within the pollen intine of many monocots remains inadequately characterised, partly due to the masking of epitopes within complex wall matrices. In this study, mature pollen grains of Gagea lutea (L.) Ker-Gawl.
Małgorzata Kapusta   +2 more
doaj   +2 more sources

Sequential Deposition and Remodeling of Cell Wall Polymers During Tomato Pollen Development

open access: yesFrontiers in Plant Science, 2021
The cell wall of a mature pollen grain is a highly specialized, multilayered structure. The outer, sporopollenin-based exine provides protection and support to the pollen grain, while the inner intine, composed primarily of cellulose, is important for ...
Syeda Roop Fatima Jaffri   +1 more
doaj   +1 more source

Effect of boron toxicity on pollen tube cell wall architecture and the relationship of cell wall components of Castanea mollissima Blume

open access: yesFrontiers in Plant Science, 2022
Boron (B) is essential to plant development. However, excessive B is toxic to plants. This research was performed to evaluate the effects of B toxicity on cell wall architecture of Chinese chestnut (Castanea mollissima Blume) pollen tubes with emphasis ...
Weiwei Zhang   +11 more
doaj   +1 more source

Research Progress on Bioactive Ingredients, Biological Activity and Wall-breaking Technology of Bee Pollen

open access: yesShipin gongye ke-ji, 2022
As one of the natural food, bee pollen is rich in a large number of bioactive components, including polysac-charides, proteins, lipids, and polyphenols, etc.
Lantao LI   +7 more
doaj   +1 more source

Less and shrunken pollen 1 (LSP1) encodes a member of the ABC transporter family required for pollen wall development in rice (Oryza sativa L.)

open access: yesCrop Journal, 2020
Pollen fertility is an agronomic trait that strongly influences rice yield. Recent studies have revealed that the development of the pollen wall is required for pollen fertility and is regulated by several genes. However, the mechanisms underlying pollen
Tao Luo   +17 more
doaj   +1 more source

2, 6-Dichlorobenzonitrile causes multiple effects on pollen tube growth beyond altering cellulose synthesis in Pinus bungeana Zucc. [PDF]

open access: yesPLoS ONE, 2013
Cellulose is an important component of cell wall, yet its location and function in pollen tubes remain speculative. In this paper, we studied the role of cellulose synthesis in pollen tube elongation in Pinus bungeana Zucc.
Huaiqing Hao   +4 more
doaj   +1 more source

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