Results 31 to 40 of about 744 (199)
Studies in Apospory and Apogamy in Ferns [PDF]
Annals of Botany, 1907 (Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Farmer, J. B. (John Bretland) +1 more
openaire +2 more sources
TRIMETHYLGUANOSINE SYNTHASE1 mutations decanalize female germline development in Arabidopsis
New Phytologist, Volume 240, Issue 2, Page 597-612, October 2023., 2023 Summary Here, we report the characterization of a plant RNA methyltransferase, orthologous to yeast trimethylguanosine synthase1 (Tgs1p) and whose downregulation was associated with apomixis in Paspalum grasses. Using phylogenetic analyses and yeast complementation, we determined that land plant genomes all encode a conserved, specific TGS1 protein ...
Lorena A. Siena +7 more
wiley +1 more source
Red macroalgae in the genomic era
New Phytologist, Volume 240, Issue 2, Page 471-488, October 2023., 2023 Summary Rhodophyta (or red algae) are a diverse and species‐rich group that forms one of three major lineages in the Archaeplastida, a eukaryotic supergroup whose plastids arose from a single primary endosymbiosis. Red algae are united by several features, such as relatively small intron‐poor genomes and a lack of cytoskeletal structures associated ...
Michael Borg +5 more
wiley +1 more source
Cytogenetics to functional genomics: six decades journey of Professor P.K. Gupta
Plant Biotechnology Journal, Volume 20, Issue 6, Page 1021-1030, June 2022., 2022 Summary We had the fortune of starting our scientific/research careers in the Molecular Biology and Crop Biotechnology Laboratory of Professor P.K. Gupta at Ch. Charan Singh University, Meerut, UP, India. Here, we describe the most important scientific contributions of our beloved mentor in the area of cytotaxonomy, cytogenetics, mutation breeding ...
Pawan L. Kulwal +2 more
wiley +1 more source
Molecular Ecology, Volume 30, Issue 11, Page 2659-2675, June 2021., 2021 Abstract Geographical parthenogenesis (GP) describes the phenomenon that apomicts tend to have larger distribution areas and/or occur at higher altitudes or latitudes compared to sexual relatives. However, the complex effects of genome‐wide heterozygosity, ploidy, reproduction mode (sexual vs.
Kevin Karbstein +5 more
wiley +1 more source
Skipping sex: A nonrecombinant genomic assemblage of complementary reproductive modules
BioEssays, Volume 43, Issue 1, January 2021., 2021 Asexuality arises through developmental alterations with apparently unrelated origins. We show the occurrence of asexual animals and plants have a common genetic and developmental basis on a single nonrecombinant assemblage of genomic elements altering complementary reproductive modules.
Diego Hojsgaard, Manfred Schartl
wiley +1 more source
Harnessing wild relatives of pearl millet for germplasm enhancement: Challenges and opportunities
Crop Science, Volume 61, Issue 1, Page 177-200, January/February 2021., 2021 Abstract Pearl millet [Pennisetum glaucum (L.) R. Br.] is one of the world's hardiest warm‐season cereal crop and is cultivated mainly in the semi‐arid tropics of Asia and Africa for food, feed, fodder, and brewing. It is mainly cultivated for its gluten‐free grains with high content and better quality of nutrients.
Shivali Sharma +7 more
wiley +1 more source
Evolution of the apomixis transmitting chromosome in
BMC Evolutionary Biology, 2011 Background Apomixis is an intriguing trait in plants that results in maternal clones through seed reproduction. Apomixis is an elusive, but potentially revolutionary, trait for plant breeding and hybrid seed production.
Yamada-Akiyama Hitomi +5 more
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Chromosomal Evolution and Apomixis in the Cruciferous Tribe Boechereae
Frontiers in Plant Science, 2020 The mustard family (Brassicaceae) comprises several dozen monophyletic clades usually ranked as tribes. The tribe Boechereae plays a prominent role in plant research due to the incidence of apomixis and its close relationship to Arabidopsis.
Terezie Mandáková +7 more
doaj +1 more source
On the cytology of apogamy and apospory.—II. Preliminary note on apospory [PDF]
Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character, 1905 Abstract Apospory is the direct vegetative process which leads from the sporophyte to the gametophyte without the intervention of spores. This phenomenon has for a long time been known to occur in mosses and ferns, and several writers have described its morphological characters, but its cytological history has hitherto remained ...
openaire +1 more source