ArticlePlant molecular biology1995
Expression of heat shock factor and heat shock protein 70 genes during maize pollen development.
Article in Plant molecular biology, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed, 77 citations in OpenAlex.
- Heat stress at the bicellular stage inhibits sperm cell development and transport into pollen tubes.Plant physiology · 2024Article
- Article
- An overview of heat stress in tomato (Saudi journal of biological sciences · 2021Review
- Isolation of Staged and Viable Maize Microspores for DH Production.Methods in molecular biology (Clifton, N.J.) · 2021Article
- ZmSTK1 and ZmSTK2, encoding receptor-like cytoplasmic kinase, are involved in maize pollen development with additive effect.Plant biotechnology journal · 2018Article
- Melatonin Alleviates High Temperature-Induced Pollen Abortion in Solanum lycopersicum.Molecules (Basel, Switzerland) · 2018Article
- Pollen Development at High Temperature: From Acclimation to Collapse.Plant physiology · 2017Article
- Acclimation to high temperature during pollen development.Plant reproduction · 2016Review
- Enhancement of reproductive heat tolerance in plants.PloS one · 2015Article
- Heat shock factor HSFB2a involved in gametophyte development of Arabidopsis thaliana and its expression is controlled by a heat-inducible long non-coding antisense RNA.Plant molecular biology · 2014Article
- Genome-wide identification, classification and analysis of heat shock transcription factor family in maize.BMC genomics · 2011Article
- Developmental and heat stress-regulated expression of HsfA2 and small heat shock proteins in tomato anthers.Journal of experimental botany · 2010Article
- Article
- Engrailed-ZmOCL1 fusions cause a transient reduction of kernel size in maize.Plant molecular biology · 2005Article
- Identification of candidate genes for in vitro androgenesis induction in maize.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2004Article
- Plant class B HSFs inhibit transcription and exhibit affinity for TFIIB and TBP.Plant molecular biology · 2004Article
- A rice spotted leaf gene, Spl7, encodes a heat stress transcription factor protein.Proceedings of the National Academy of Sciences of the United States of America · 2002Article
- Stress-specific activation and repression of heat shock factors 1 and 2.Molecular and cellular biology · 2001Article
- Arabidopsis and the heat stress transcription factor world: how many heat stress transcription factors do we need?Cell stress & chaperones · 2001Review
- The tomato Hsf system: HsfA2 needs interaction with HsfA1 for efficient nuclear import and may be localized in cytoplasmic heat stress granules.Molecular and cellular biology · 1998Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have analysed the expression of heat shock protein 70 (HSP70) and heat shock factor (HSF) gene during maize pollen development, HSFs being the transcriptional activators of hsp genes. In order to eliminate the sporophytic tissues of anthers, we have isolated homogeneous cell populations corresponding to five stages of maize pollen development from microspores to mature pollen. We show that in the absence of heat stress, hsp70 genes are highly expressed late-bicellular pollen as compared to other stages. HSP70 transcripts are significantly accumulated in response to a heat shock at the late microspore stage but to a much lower extent than in vegetative tissues. The latest stages of pollen development, i.e. mid-tricellular and mature pollen, do not exhibit heat-induced accumulation of HSP70 transcripts. Therefore, we analysed the expression of hsf genes throughout pollen development. We demonstrate that at least three hsf genes are expressed in maize and that transcripts corresponding to one hsf gene, whose expression is independent of temperature in somatic as well as in microgametophytic tissues, are present at similar levels throughout pollen development. In addition, we show that the expression of the two other hsf genes is heat-inducible in maize vegetative tissues and is not significantly increased after heat shock at any stage of pollen development. These results indicate that the loss of hsp gene expression at late stages of pollen development is not due to a modification of hsf gene expression at the mRNA level and that hsf gene expression is differentially regulated in vegetative and microgametophytic tissues.
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