AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesTechnology, Industry, AgricultureInformation Science
GametogenesisGametogenesis, PlantPlants, Genetically ModifiedPlant LeavesPlant ProteinsPlant RootsGenes, PlantPlant ExtractsPlant ShootsSpermatogenesisGerm CellsDNA, PlantOogenesisPlants, MedicinalArabidopsisPlant DevelopmentMeiosisPlants, ToxicPlant CellsTestisArabidopsis ProteinsPlant StemsPollenGenome, PlantReproductionGenomic ImprintingPlants, EdiblePlant StructuresSpermatocytesPlant Growth RegulatorsOvaryXanthurenatesGonadsSeedsAmino Acid SequenceOvuleHelleborusSpores, FungalVitellogenesisPlant ImmunityTobaccoSpermatozoaBase SequenceMutationMeiotic Prophase IGene Expression Regulation, DevelopmentalFlowersPhylogenyOocytesPlant EpidermisFertilityMolecular Sequence DataPhenotypePlant StomataHermaphroditic OrganismsAngiospermsEmbryonic DevelopmentsnRNP Core ProteinsDNA MethylationPlant PoisoningSequence AlignmentPlant TranspirationSpermatogoniaDisorders of Sex DevelopmentLycopersicon esculentumHaploidyCrosses, GeneticChlamydomonas reinhardtiiCyclin A1Plant TumorsChromosomes, PlantDNA (Cytosine-5-)-MethyltransferasePlant Components, AerialProto-Oncogene Proteins c-kitLife Cycle StagesChlamydomonasInfertility, MaleRNA, MessengerRNA-Binding ProteinsZygoteInfertilitySex DifferentiationPlant PreparationsDNA Primers
SpermatogenesisOogenesisMeiosisFertilizationDifferentiationFlowering PlantsPhysiologyMenstrualEmbryogenesisOrganismsSpermBiotechnologyGametesDevelopmentalGeneticAdaptiveMeioticMetamorphosisMorphologyRNAiVegetativeSpeciesAllelesStructuresDiagramPrimordialAsexualBiologyArabidopsisTranscriptionHaploidFemaleGerm cellReproductive HealthMalePolyadenylationVascular plantsMossesAnimalsGenesMeSH
Spermatogenesis3
Oogenesis2
  • The creation of oogonia traditionally doesn't belong to oogenesis proper, but, instead, to the common process of gametogenesis , which, in the female human, begins with the processes of folliculogenesis , oocytogenesis, and ootidogenesis . (wikipedia.org)
  • Oogenesis starts with the process of developing primary oocytes, which occurs via the transformation of oogonia into primary oocytes , a process called oocytogenesis . (wikipedia.org)
Meiosis8
  • The existence of a multicellular, haploid phase in the life cycle between meiosis and gametogenesis is also referred to as alternation of generations. (wikipedia.org)
  • Meiosis is a central feature of gametogenesis, but the adaptive function of meiosis is currently a matter of debate. (wikipedia.org)
  • viability and meiosis was studied in a sample of 56 plants. (sag.org.ar)
  • Como primer paso, se estudio la viabilidad del polen y la meiosis en una muestra de 56 plantas. (sag.org.ar)
  • We've previously written about meiosis, but I want to understand, or to begin to understand, in this post, how the process of producing gametes is so different in male and female mammals. (ussromantics.com)
  • In brief, gametogenesis is a biological process that incorporates cell divisions, particularly mitosis and meiosis , to produce gametes (sex cells). (biologyonline.com)
  • The process is different as it does not incorporate meiosis and fertilization. (biologyonline.com)
  • Cyril Darlington pioneered plant cytogenetics in 1920-30 and made important advances in our understanding of mechanisms of chiasma formation and the behavior of sex chromosomes in meiosis [ 7 ]. (biomedcentral.com)
Fertilization6
  • During the life cycle of flowering plants, nuclear fusion occurs three times: once during female gametogenesis and twice during double fertilization, when two sperm cells fertilize the egg and the central cell. (preprints.org)
  • The book is a compilation of cutting edge views of current trends in modern developmental biology, focusing on gametogenesis, fertilization, early and/or late embryogenesis in animals, plants, and some other small organisms. (freebookcentre.net)
  • This book covers the following topics: Ontogeny, The cell and cell division, The germ cells and theib formation, Maturation, Fertilization, Cleavage, The germ cells and the processes of differentiation, heredity and sex determination, The blastxtla, gastrula and germ layers. (freebookcentre.net)
  • The 10th Science chapter 7 provides detailed descriptions of the male and female reproductive systems, explaining the process of egg and sperm production, fertilization, and embryo development. (tiwariacademy.com)
  • The process of pollination and fertilization in plants. (tiwariacademy.com)
  • Sexual reproduction incorporates fundamental processes such as gametogenesis and fertilization . (biologyonline.com)
Differentiation2
  • Gametogenesis is a biological process by which diploid or haploid precursor cells undergo cell division and differentiation to form mature haploid gametes. (wikipedia.org)
  • To understand the differentiation process of plant motile sperm, we analyzed the gene expression profile of developing antheridia of M. polymorpha. (pollennetwork.org)
Flowering Plants2
  • The process of sexual reproduction in flowering plants. (byjus.com)
  • Structure and functions of the male and female reproductive organs in flowering plants (stamen and pistil). (tiwariacademy.com)
Physiology2
  • Although the main function of chloroplasts is oxygenic photobiosynthesis, it also produces various compounds, such as phytohormones, fatty acids, vitamins, as well as secondary metabolites that are indispensable for plant physiology and development [ 2 ]. (biomedcentral.com)
  • The laboratory will emphasize plant identification, various aspects of plant ecology and physiology, plant morphology, and plant use by humans. (middlebury.edu)
Menstrual1
  • Students can learn here about the process of gametogenesis (formation of sperm and egg cells) in males and females and menstrual cycle and ovulation in females. (tiwariacademy.com)
Embryogenesis1
  • This study reports that two nuclear-encoded chloroplast proteins, Chloroplast protein for Growth and Fertility (CGF1) and CGF2, play important roles in vegetative growth, in female gametogenesis, and in embryogenesis likely by mediating chloroplast integrity and development. (biomedcentral.com)
Organisms6
  • Nuclear fusion is essential for the sexual reproduction of various organisms, including plants, animals, and fungi. (preprints.org)
  • Southern and Northern plant technologies here, Using the 17th organisms. (be-mindful.de)
  • This whole package of DNA (genome) and protein (epigenome) in a chromosome is what controls the development and maintenance of eukaryotic organisms (protists, fungi, animals, and plants). (carnivorousplants.org)
  • It is more common in single celled organisms, some plants and animals. (iitianacademy.com)
  • In this ncert solutions for class 12 biology chapter 1, types, modes, and reproduction processes in different organisms are discussed. (eduauraa.com)
  • The interactions between autotrophs and soil organisms and selected groups of animals with close ecological and evolutionary connections with plants (e.g., herbivores and pollinators) will be explored in lecture and laboratory. (mcgill.ca)
Sperm7
  • However, by convention, the following pattern is common for both: In vitro gametogenesis (IVG) is the technique of developing in vitro generated gametes, i.e., "the generation of eggs and sperm from pluripotent stem cells in a culture dish. (wikipedia.org)
  • In angiosperms the division of a generative cell into two sperm nuclei, resulting in the production male gametes (always two), which develop inside the pollen grain (in 30% of species) or the pollen tube (in 70% of species), respectively,) of the plant. (wikipedia.org)
  • In land plants, there are two types of male gametes: one is a non-motile sperm cell which is delivered to the egg cell by a pollen tube, and the other is a motile sperm cell with flagella. (pollennetwork.org)
  • The molecular mechanism underlying the sexual reproduction with the egg and pollen-delivered sperm cell is well understood from studies using model plants such as Arabidopsis and rice. (pollennetwork.org)
  • Marchantia polymorpha L. is a model basal land plant with sexual reproduction involving an egg cell and bi-flagellated motile sperm. (pollennetwork.org)
  • This study provides a transcriptional framework on which to study the molecular mechanism of plant motile sperm development in M. polymorpha as a model. (pollennetwork.org)
  • The primordial germ cells differentiate in the testis, in these seminiferous tubules… But let me first fast forward to the end of the process and describe a complete, mature sperm cell or spermatozoon. (ussromantics.com)
Biotechnology3
  • Molecular biotechnology has made it possible to explore the potential of plants for different purposes. (frontiersin.org)
  • Principles and processes involved in biotechnology like genetic engineering (Recombinant DNA technology). (byjus.com)
  • Biotechnology has important points to remember like Processes and applications, BT cotton, RNAi, Human insulin, Gene therapy and molecular diagnostics. (aakash.ac.in)
Gametes7
  • Depending on the biological life cycle of the organism, gametogenesis occurs by meiotic division of diploid gametocytes into various gametes, or by mitosis. (wikipedia.org)
  • For example, plants produce gametes through mitosis in gametophytes. (wikipedia.org)
  • For instance, gametophytes in plants undergo mitosis to produce gametes. (wikipedia.org)
  • Fungi, algae, and primitive plants form specialized haploid structures called gametangia, where gametes are produced through mitosis. (wikipedia.org)
  • The process of germ cell development in plants, from the primordial PLANT GERM CELLS to the mature haploid PLANT GAMETES. (harvard.edu)
  • During the process of gametogenesis, the two homologous alleles TT and tt are separated and each chromosome contains a single allele as T and t and it is passed via gametes. (researchtweet.com)
  • Whereas in the reproduction process if two parents of opposite sex i.e. male and female gametes are involved then it is called sexual reproduction. (mcq-questions.com)
Developmental1
  • Since DNA methylation is a vital event in almost all plant developmental processes (e.g., genomic imprinting and gametogenesis) along with other life processes, our findings on epigenetic regulation of LBD-containing genes have dynamic implications in basic and applied research. (bvsalud.org)
Genetic3
  • Recent molecular genetic analyses using Arabidopsis thaliana showed the conservation of nuclear membrane fusion machinery between plants and the budding yeast Saccharomyces cerevisiae. (preprints.org)
  • Access to human germline cell types for study is limited, and little is known about the underlying genetic regulation of human gametogenesis. (harvard.edu)
  • Both processes require genetic variation in adaptive traits within populations. (harvard.edu)
Adaptive1
  • The ability to undergo plastic and evolutionary change in adaptive traits is key for plant survival under future climate change. (harvard.edu)
Meiotic1
  • The review provides a brief account of the structure of somatic and meiotic chromosomes, stressing the high conservation of structure in plants and animals, with emphasis on aspects that require further research. (biomedcentral.com)
Metamorphosis1
  • The larva undergoes transformation into the adult by the process of metamorphosis. (biologydiscussion.com)
Morphology1
  • The topics like the structure, morphology, sexual reproduction structure of plants that are flowering are explained. (eduauraa.com)
RNAi1
  • We also present that knockdown of by RNA disturbance (RNAi) compromises or prevents gametogenesis indicating an important function for in this technique. (tam-receptor.com)
Vegetative1
Species6
  • These protocols may be adapted to other plant species that are recalcitrant to Agrobacterium -mediated transformation. (biomedcentral.com)
  • Despite the abundance of fern species and the unique opportunity they offer for investigating the evolution of seeds and vascular systems, arguably the two most important events contributing to land plant expansion, ferns are among the most under-investigated land plant clades. (biomedcentral.com)
  • The concept of mutation was coined by Hugo De Vries in 1901, whom worked with plants species of the genus Oenothera where he discovered some phenotypic hereditary characteristics that he coined as "mutations" and "mutants" to those individuals that have these phenotypic alterations. (intechopen.com)
  • So Darwin never quite cracked the code of inheritance as we understand it today, but the work with plants which occupied his last years - allowing him to avoid the acrimony around human origins surrounding the publication of On the origin of species - produced important results for the understanding of plant reproductive biology. (ussromantics.com)
  • This process is totally independent of taxonomic characters used to define species. (carnivorousplants.org)
  • Reproduction is the process where the parent(s) reproduce another individual (offspring), often of the same species. (biologyonline.com)
Alleles3
  • For example, let us consider a pea plant, where homozygous tall plant has two alleles such as TT on their gene loci in their homologous chromosomes and homologous dwarf plants is represented by the allele tt. (researchtweet.com)
  • If a pea plant were homozygous recessive for height, how would its alleles be represented? (proprofs.com)
  • This means that the plant will exhibit the recessive trait for height, regardless of the presence of any dominant alleles. (proprofs.com)
Structures1
  • It explains the structures of DNA, RNA, and the replication process. (eduauraa.com)
Diagram1
  • Diagram showing the reduction in number of the chromosomes in the process of maturation of the ovum . (wikipedia.org)
Primordial1
  • A cell signalling process in the embryo induces a small, transient proportion of the cell mass, the primitive streak, to become primordial germ cells (PGCs), along with other cells. (ussromantics.com)
Asexual2
Biology3
  • A laboratory- oriented course designed to integrate plant molecular biology, recombinant DNA technology, and plant cell and tissue culture. (charlotte.edu)
  • The Spanish S ... ociety for Biochemistry and Molecular Biology (SEBBM) is affiliated with Genes and their members receive discounts on the article processing charges. (feedspot.com)
  • Biology (Agric & Envir Sc) : The biology of plants and plant-based systems in managed and natural terrestrial environments. (mcgill.ca)
Arabidopsis1
Transcription2
  • The Lateral Organ Boundaries Domain (LBD) containing genes are a set of plant-specific transcription factors and are crucial for controlling both organ development and defense mechanisms as well as anthocyanin synthesis and nitrogen metabolism. (bvsalud.org)
  • In the unicellular algae and mating types are controlled by a complex locus gene in the locus has been shown to be necessary for expression of expression patterns during gametogenesis and on a second gene unique to the locus transcription after nitrogen removal and its sequence similarity to grow RWP-RK proteins involved in nitrogen-responsive processes suggest that Mid conformation/activity may be nitrogen sensitive. (tam-receptor.com)
Haploid1
  • This transformation method will allow for the immediate observation of phenotypes in the haploid gametophytes of transformed plants, as well as the generation of stably transformed C. richardii lines for further analysis. (biomedcentral.com)
Female1
Germ cell1
  • These studies reaffirmed that chromosome structure and behavior in somatic and germ cell divisions were common to all plants and animals. (biomedcentral.com)
Reproductive Health1
  • The chapter 7 of 10th science concludes with a series of exercises and questions designed to test understanding of the concepts covered, including the differences between various reproductive processes, the structure of reproductive systems, and the significance of reproductive health. (tiwariacademy.com)
Male1
Polyadenylation3
  • A complex interaction between the cleavage and polyadenylation molecular complex and cis -elements determine the polyadenylation site, which may result in the choice of non-canonical sites, resulting in alternative polyadenylation events, involved in the regulation of more than 80% of the genes expressed in plants. (frontiersin.org)
  • and although less conserved, plants also have polyadenylation signals: far upstream element (FUE), near upstream element (NUE) and the cleavage element (CE) ( Xing and Li, 2011 ). (frontiersin.org)
  • Polyadenylation is essential for the stability of the transcript, preventing the mRNA from being the target of posttranscriptional gene silencing (PTGS) via RNA-dependent RNA polymerase 6 (RDR6) in plants ( Luo and Chen, 2007 ). (frontiersin.org)
Vascular plants3
  • Ferns ( Pteridophyta ) are vascular plants that appeared during evolution before the emergence of seed plants. (biomedcentral.com)
  • In addition to having a dominant sporophyte generation as in other vascular plants, a salient feature of the ferns is the possession of a free-living, photosynthetic, and macroscopic gametophyte generation that is easily cultured in the laboratory [ 2 ]. (biomedcentral.com)
  • Identification and classification of vascular plants, including experimental concepts of speciation. (charlotte.edu)
Mosses1
  • Compared to other seedless plants such as mosses and liverworts, ferns and fern allies display both ancestral (lack of seeds) and derived (possession of vascular tissue) features, distinguishing them from other clades within the Plantae . (biomedcentral.com)
Animals4
  • Inbred plants, like inbred animals, don't fare well, at least over time-a phenomenon that's now known as inbreeding depression. (ussromantics.com)
  • Major concepts will be illustrated using a broad range of examples from plants, animals, and microorganisms. (middlebury.edu)
  • An introduction to plants, their life cycles, and their relationships to each other, as well as to the animals that pollinate them, disperse their fruits, and eat them. (middlebury.edu)
  • While comparative anatomists had known for centuries that all animals share physical features that suggest a common structure among creatures both living and revealed in fossils, the cytologists of the 19th century found that this concept extended to a cellular organisation present in all plants and animals. (biomedcentral.com)
Genes1
  • Johann Mendel was the pioneer in classical genetics, who on doing experiment's with pea plants and on undergoing plant hybridizations found many characteristics of genes and how it undergoes evolution and also concluded many laws and evolution related to genetics. (researchtweet.com)
MeSH1
  • Gametogenesis, Plant" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)