ArticleGenetics2004
Analysis of transposon insertion mutants highlights the diversity of mechanisms underlying male progamic development in Arabidopsis.
Article in Genetics, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed.
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- Mapping the Genetic Regions Responsible for Key Phenology-Related Traits in the European Hazelnut.Frontiers in plant science · 2021Article
- Genetic Factors Underlying Single Fiber Quality in A-Genome Donor Asian Cotton (Frontiers in genetics · 2021Article
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- Comparative analysis of circular RNAs between soybean cytoplasmic male-sterile line NJCMS1A and its maintainer NJCMS1B by high-throughput sequencing.BMC genomics · 2018Article
- Haploid selection, sex ratio bias, and transitions between sex-determining systems.PLoS biology · 2018Article
- Competitive Ability of Maize Pollen Grains Requires Paralogous Serine Threonine Protein Kinases STK1 and STK2.Genetics · 2017Article
- Identification and Initial Characterization of the Effectors of an Anther Smut Fungus and Potential Host Target Proteins.International journal of molecular sciences · 2017Article
- Characterization of pollen-expressed bZIP protein interactions and the role of ATbZIP18 in the male gametophyte.Plant reproduction · 2017Article
- Comparative Analysis of Regions with Distorted Segregation in Three Diploid Populations of Potato.G3 (Bethesda, Md.) · 2016Article
- TaTypA, a Ribosome-Binding GTPase Protein, Positively Regulates Wheat Resistance to the Stripe Rust Fungus.Frontiers in plant science · 2016Article
- The RNA helicase, eIF4A-1, is required for ovule development and cell size homeostasis in Arabidopsis.The Plant journal : for cell and molecular biology · 2015Article
- Knockin' on pollen's door: live cell imaging of early polarization events in germinating Arabidopsis pollen.Frontiers in plant science · 2015Article
- The Arabidopsis mediator complex subunits MED16, MED14, and MED2 regulate mediator and RNA polymerase II recruitment to CBF-responsive cold-regulated genes.The Plant cell · 2014Article
- OsAP65, a rice aspartic protease, is essential for male fertility and plays a role in pollen germination and pollen tube growth.Journal of experimental botany · 2013Article
- Gametophytic and zygotic selection leads to segregation distortion through in vivo induction of a maternal haploid in maize.Journal of experimental botany · 2013Article
- Proteasome-mediated turnover of Arabidopsis MED25 is coupled to the activation of FLOWERING LOCUS T transcription.Plant physiology · 2012Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To identify genes with essential roles in male gametophytic development, including postpollination (progamic) events, we have undertaken a genetic screen based on segregation ratio distortion of a transposon-borne kanamycin-resistance marker. In a population of 3359 Arabidopsis Ds transposon insertion lines, we identified 20 mutants with stably reduced segregation ratios arising from reduced gametophytic transmission. All 20 mutants showed strict cosegregation of Ds and the reduced gametophytic transmission phenotype. Among these, 10 mutants affected both male and female transmission and 10 mutants showed male-specific transmission defects. Four male and female (ungud) mutants and 1 male-specific mutant showed cellular defects in microspores and/or in developing pollen. The 6 remaining ungud mutants and 9 male-specific (seth) mutants affected pollen functions during progamic development. In vitro and in vivo analyses are reported for 5 seth mutants. seth6 completely blocked pollen germination, while seth7 strongly reduced pollen germination efficiency and tube growth. In contrast, seth8, seth9, or seth10 pollen showed reduced competitive ability that was linked to slower rates of pollen tube growth. Gene sequences disrupted in seth insertions suggest essential functions for putative SETH proteins in diverse processes including protein anchoring, cell wall biosynthesis, signaling, and metabolism.
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