Calcium and calmodulin distribution in the tapetum of Gasteria verrucosa during anther development

1993 ◽  
pp. 107-116 ◽  
Author(s):  
M. T. M. Willemse
Keyword(s):  
Anther Development ◽  
Gasteria Verrucosa

Changes in polyamine synthesis during anther development and pollen germination in tobacco (Nicotiana tabacum)

1994 ◽  
Vol 92 (1) ◽  
pp. 61-68 ◽  
Author(s):  
Fatiha Chibi ◽  
Angel Jesus Matilla ◽  
Trinidad Angosto ◽  
Dolores Garrido
Keyword(s):  
Nicotiana Tabacum ◽  
Pollen Germination ◽  
Anther Development ◽  
Polyamine Synthesis

scholarly journals A single nucleotide polymorphism in an R2R3 MYB transcription factor gene triggers the male sterility in soybean ms6 (Ames1)

2021 ◽  
Author(s):  
Junping Yu ◽  
Guolong Zhao ◽  
Wei Li ◽  
Ying Zhang ◽  
Peng Wang ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Glycine Max ◽  
Male Sterility ◽  
Bulked Segregant Analysis ◽  
Soybean Protein ◽  
Anther Development ◽  
Hybrid Breeding ◽  
Myb Transcription Factor ◽  
Male Sterile ◽  
R2r3 Myb

Abstract Key message Identification and functional analysis of the male sterile gene MS6 in Glycine max. Abstract Soybean (Glycine max (L.) Merr.) is an important crop providing vegetable oil and protein. The male sterility-based hybrid breeding is a promising method for improving soybean yield to meet the globally growing demand. In this research, we identified a soybean genic male sterile locus, MS6, by combining the bulked segregant analysis sequencing method and the map-based cloning technology. MS6, highly expressed in anther, encodes an R2R3 MYB transcription factor (GmTDF1-1) that is homologous to Tapetal Development and Function 1, a key factor for anther development in Arabidopsis and rice. In male sterile ms6 (Ames1), the mutant allele contains a missense mutation, leading to the 76th leucine substituted by histidine in the DNA binding domain of GmTDF1-1. The expression of soybean MS6 under the control of the AtTDF1 promoter could rescue the male sterility of attdf1 but ms6 could not. Additionally, ms6 overexpression in wild-type Arabidopsis did not affect anther development. These results evidence that GmTDF1-1 is a functional TDF1 homolog and L76H disrupts its function. Notably, GmTDF1-1 shows 92% sequence identity with another soybean protein termed as GmTDF1-2, whose active expression also restored the fertility of attdf1. However, GmTDF1-2 is constitutively expressed at a very low level in soybean, and therefore, not able to compensate for the MS6 deficiency. Analysis of the TDF1-involved anther development regulatory pathway showed that expressions of the genes downstream of TDF1 are significantly suppressed in ms6, unveiling that GmTDF1-1 is a core transcription factor regulating soybean anther development.

BnC15 and BnATA20, the different putative components, control anther development in Brassica napus L.

Gene ◽  
2012 ◽  
Vol 507 (1) ◽  
pp. 9-19
Author(s):  
Lili Wan ◽  
Qin Hu ◽  
Dengfeng Hong ◽  
Guangsheng Yang
Keyword(s):  
Brassica Napus ◽  
Anther Development ◽  
Brassica Napus L

Transcriptional regulation of anther development in Arabidopsis

Gene ◽  
2019 ◽  
Vol 689 ◽  
pp. 202-209 ◽  
Author(s):  
Neetu Verma
Keyword(s):  
Transcriptional Regulation ◽  
Anther Development

scholarly journals OsMYB80 Regulates Anther Development and Pollen Fertility by Targeting Multiple Biological Pathways

2020 ◽  
Vol 61 (5) ◽  
pp. 988-1004 ◽  
Author(s):  
Xiaoying Pan ◽  
Wei Yan ◽  
Zhenyi Chang ◽  
Yingchao Xu ◽  
Ming Luo ◽  
...  
Keyword(s):  
Pollen Development ◽  
Male Fertility ◽  
Gene Networks ◽  
Affinity Purification ◽  
Anther Development ◽  
Rna Seq ◽  
Male Sterile ◽  
New Information ◽  
Gel Shift Assay

Abstract Pollen development is critical to the reproductive success of flowering plants, but how it is regulated is not well understood. Here, we isolated two allelic male-sterile mutants of OsMYB80 and investigated how OsMYB80 regulates male fertility in rice. OsMYB80 was barely expressed in tissues other than anthers, where it initiated the expression during meiosis, reached the peak at the tetrad-releasing stage and then quickly declined afterward. The osmyb80 mutants exhibited premature tapetum cell death, lack of Ubisch bodies, no exine and microspore degeneration. To understand how OsMYB80 regulates anther development, RNA-seq analysis was conducted to identify genes differentially regulated by OsMYB80 in rice anthers. In addition, DNA affinity purification sequencing (DAP-seq) analysis was performed to identify DNA fragments interacting with OsMYB80 in vitro. Overlap of the genes identified by RNA-seq and DAP-seq revealed 188 genes that were differentially regulated by OsMYB80 and also carried an OsMYB80-interacting DNA element in the promoter. Ten of these promoter elements were randomly selected for gel shift assay and yeast one-hybrid assay, and all showed OsMYB80 binding. The 10 promoters also showed OsMYB80-dependent induction when co-expressed in rice protoplast. Functional annotation of the 188 genes suggested that OsMYB80 regulates male fertility by directly targeting multiple biological processes. The identification of these genes significantly enriched the gene networks governing anther development and provided much new information for the understanding of pollen development and male fertility.

Aliphatic Metabolism during Anther Development Interfered by Chemical Hybridizing Agent in Wheat

Crop Science ◽  
2014 ◽  
Vol 54 (4) ◽  
pp. 1458-1467 ◽  
Author(s):  
Qingsong Ba ◽  
Gaisheng Zhang ◽  
Huixue Che ◽  
Hongzhan Liu ◽  
Tzi Bun Ng ◽  
...  
Keyword(s):  
Anther Development ◽  
Chemical Hybridizing Agent
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