ArticlePlant cell reports2012
Expressed sequence-tag analysis of ovaries of Brachiaria brizantha reveals genes associated with the early steps of embryo sac differentiation of apomictic plants.
Article in Plant cell reports, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 42 citations in OpenAlex.
- Morphological and molecular evidence supporting advantages of apomictic seed production in castor bean (Ricinus communis L.).BMC plant biology · 2025Article
- Identification of IPT9 in Brachiaria brizantha (syn. Urochloa brizantha) and expression analyses during ovule development in sexual and apomictic plants.Molecular biology reports · 2023Article
- Article
- Apomixis: oh, what a tangled web we have!Planta · 2023Review
- Anther development in Brachiaria brizantha (syn. Urochloa brizantha) and perspective for microspore in vitro culture.Protoplasma · 2023Article
- Somatic Embryogenesis of Brachiaria brizantha (Syn. Urochloa brizantha) Analyzed by In Situ Hybridization.Methods in molecular biology (Clifton, N.J.) · 2022Article
- A study of the heterochronic sense/antisense RNA representation in florets of sexual and apomictic Paspalum notatum.BMC genomics · 2021Article
- Sexual and Apogamous Species of Woodferns Show Different Protein and Phytohormone Profiles.Frontiers in plant science · 2021Article
- Apomixis and strategies to induce apomixis to preserve hybrid vigor for multiple generations.GM crops & food · 2021Review
- An Overview of the Genetics and Genomics of theFrontiers in plant science · 2021Review
- Review
- Characterization and discovery of miRNA and miRNA targets from apomictic and sexual genotypes of Eragrostis curvula.BMC genomics · 2019Article
- Small RNA-seq reveals novel regulatory components for apomixis in Paspalum notatum.BMC genomics · 2019Article
- Partitioning Apomixis Components to Understand and Utilize Gametophytic Apomixis.Frontiers in plant science · 2019Review
- GID1 expression is associated with ovule development of sexual and apomictic plants.Plant cell reports · 2018Article
- Diplosporous development in Boehmeria tricuspis: Insights from de novo transcriptome assembly and comprehensive expression profiling.Scientific reports · 2017Article
- The genetic control of apomixis: asexual seed formation.Genetics · 2014Review
- Apomixis in plant reproduction: a novel perspective on an old dilemma.Plant reproduction · 2013Review
- Expression analyses of Brachiaria brizantha genes encoding ribosomal proteins BbrizRPS8, BbrizRPS15a, and BbrizRPL41 during development of ovaries and anthers.Protoplasma · 2013Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In apomixis, asexual mode of plant reproduction through seeds, an unreduced megagametophyte is formed due to circumvented or altered meiosis. The embryo develops autonomously from the unreduced egg cell, independently of fertilization. Brachiaria is a genus of tropical forage grasses that reproduces sexually or by apomixis. A limited number of studies have reported the sequencing of apomixis-related genes and a few Brachiaria sequences have been deposited at genebank databases. This work shows sequencing and expression analyses of expressed sequence-tags (ESTs) of Brachiaria genus and points to transcripts from ovaries with preferential expression at megasporogenesis in apomictic plants. From the 11 differentially expressed sequences from immature ovaries of sexual and apomictic Brachiaria brizantha obtained from macroarray analysis, 9 were preferentially detected in ovaries of apomicts, as confirmed by RT-qPCR. A putative involvement in early steps of Panicum-type embryo sac differentiation of four sequences from B. brizantha ovaries: BbrizHelic, BbrizRan, BbrizSec13 and BbrizSti1 is suggested. Two of these, BbrizSti1 and BbrizHelic, with similarity to a gene coding to stress induced protein and a helicase, respectively, are preferentially expressed in the early stages of apomictic ovaries development, especially in the nucellus, in a stage previous to the differentiation of aposporous initials, as verified by in situ hybridization.
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