Male gametophyte
Maize ROP2 GTPase Provides a Competitive Advantage to the Male Gametophyte
... the male gametophyte). More- in male gametophyte ...of gametophyte development to Mu elements can be spliced out of mature transcripts provide a competitive ...
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Gametocidal Genes Induce Chromosome Breakage in the Interphase Prior to the First Mitotic Cell Division of the Male Gametophyte in Wheat
... Male gametogenesis was cytologically analyzed in wheat lines homozygous or hemizygous for gametocidal (Gc) factors with different modes of action. The first and second meiotic divisions in all lines were ...
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Proteome analysis of male gametophyte development in rice anthers
... Chapter 5: Characterization of rice group II pollen allergens 5.3.5 Stage- and tissue-specific expression of Ory s 2 Expressions of Ory s 2 during different pollen developmental stages a[r] ...
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Gametophyte interaction and sexual reproduction: how plants make a zygote
... the male gametophyte, is released from the anthers and then adheres, grows and interacts along various tissues of the female organs, collectively known as the ...female gametophyte, the embryo ...
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An Arabidopsis thaliana Plasma Membrane Proton Pump Is Essential for Pollen Development
... pollen grains were viewed microscopically. “Quartets” DeWitt and Sussman 1995). However, depictions of of mature pollen grains showed two normal and two AHA3 expression in male gametophyte tissues were lim- ...
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THE EFFECT OF CHRONIC GAMMA RADIATION ON ENDOSPERM MUTATIONS IN MAIZE
... Chronic gamma radiation from a CosO source was used to study mutation rates principally in the male gametophyte in maize.. The term mutation is used in its broadest sense t[r] ...
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High Frequency Sporophytes Regeneration from the Spore Culture of the Endangered Aquatic Fern Isoetes coreana
... Freshly isolated microspores of I. coreana showed similar spore size, structure and surface ornamentation (i.e., echinate type) to the original description of the species [14]. The microspores of I. coreana are monolete, ...
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Classification Review Answers
... • dominant sporophyte • highly reduced gametophyte - male gametophyte in pollen - female gametophyte in ovule. • heterospory • cones[r] ...
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Failure by fatigue in the field: a model of fatigue breakage for the macroalga Mazzaella, with validation
... the fatigue-breakage model in this study. For Eqn5, fitted constants m and b are given in Table1. In addition, standard deviations of residuals were calculated for each regression for use in the model. Using the ...
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Rapid turnover of life cycle related genes in the brown algae
... The algal strains used, sequencing statistics, and accession numbers are listed in Additional file 1: Table S1 and S3. We used published RNA-seq datasets for gametophytes and sporophytes of the model brown alga ...
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Pattern formation in miniature: the female gametophyte of flowering plants
... haploid gametophyte (see Glossary, Box 1) and a diploid sporophyte (see Glossary, Box ...three-celled male gametophyte (pollen) and seven-celled female gametophyte (embryo sac) that are ...
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Life cycle generation specific developmental processes are modified in the immediate upright mutant of the brown alga Ectocarpus siliculosus
... wild-type gametophyte, further analysis showed that it retained its sporophyte ...with gametophyte reference strains showed that the spores released from the plurilocular sporangia were indeed spores and ...
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Transcriptomes of Plant Gametophytes Have a Higher Proportion of Rapidly Evolving and Young Genes than Sporophytes
... When compared with the transcriptomic hourglass of em- bryogenesis, the evolutionary bulge seems to be a more ro- bust pattern of plant development. We reproduced the hourglass in A. thaliana, but found little support ...
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The autecology of pylaiella littoralis (L ) kjellm at St Andrews, Scotland with additional information on the life cycle of pylaiella rupincola (Aresh ) kylin
... Photomicrograph of gametophyte of The material was grown from zoospores released from unilocular sporangia and was allowed to develop in culture*.. Gametangia can be seen, Mgnification x[r] ...
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Protocol: genetic transformation of the fern Ceratopteris richardii through microparticle bombardment
... Results: We detail an updated and optimized protocol for transformation of C. richardii by particle bombardment, including all necessary ancillary protocols for successful growth and propagation of this species in a ...
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Generating Autotetraploid Sporophytes and Their Use in Analyzing Mutations Affecting Gametophyte Development in the Fern Ceratopteris
... This report describes how apospory can be used to produce genetically marked polyploid sporophytes whose gametophyte progeny are heterozygous for mutations affecting[r] ...
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Investigations into gametophyte morphology and population sex ratios through direct comparisons between laboratory grown and field grown fern gametophytes
... The gametophyte stage of the fern life cycle is responsible for the breeding behavior of the organism as well as the determination of where the sporophyte stage of the life cycle will ...fern gametophyte is ...
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Megasporogensis and female gametophyte development of Camellia grijsii Hance
... Figure 1 : Formation of megaspores and development of female gametophyte in Camellia grijsii A, Longitudinal section showing ovule primordium, septa and ovary wall. B, Longitudinal section showing megaspore mother ...
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Ocean acidification and kelp development: reduced pH has no negative effects on meiospore germination and gametophyte development of Macrocystis pyrifera and Undaria pinnatifida
... on gametophyte sex ratio of the perennial Laminaria ochroleuca Bachelot de la Pylaie and the annual Saccorhiza polyschides (Lightfoot) Batters (Pereira et ...more male gametophytes in kelp species ...
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Genomic Conflicts that Cause Pollen Mortality and Raise Reproductive Barriers in Arabidopsis thaliana
... hybrid male sterility that occurs in the offspring of two distant natural strains of Arabidopsis thaliana , Shahdara and Mr-0, with Shahdara as the female ...cytoplasmic male sterility (CMS) controlled by ...
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