Morphological and molecular evidence supporting advantages of apomictic seed production in castor bean (Ricinus communis L.). [PDF]
BMC Plant BiolSetayeshnasab M +3 more
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A universal spikey silica nanoparticle-mediated siRNA delivery for red seaweeds and land plants reveals PyKNOX 's role during haploid-diploid transition in Pyropia yezoensis. [PDF]
BMC Plant BiolSun Q +14 more
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An RNA ligase partner for the prokaryotic protein-only RNase P: insights into the functional diversity of RNase P from genome mining. [PDF]
mBioSeshadri R, Gopalan V.
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Induced Apospory in Polypodiaceous Ferns
Nature, 1958THE induction of outgrowths of gametophytic tissue from the sporophyte in mosses has been accomplished many times since Pringsheim1 first reported it. In the ferns, the aposporous production of fully sexual gametophytes from genetically normal sporophytes has been considered to occur less readily. Although various forms of apospory in a number of ferns
P. R. BELL, B. M. RICHARDS
exaly +2 more sources
Ultrastructural characterization of apospory in Panicum maximum
Sexual Plant Reproduction, 1995The nucellar ultrastructure of apomictic Panicum maximum was analyzed during the meiocytic stage and during aposporous embryo sac formation. At pachytene the megameiocyte shows a random cell organelle distribution and sometimes only an incomplete micropylar callose wall. The chalazal nucellar cells are meristematic until the tetrad stage. They can turn
Naumova, T.N., Willemse, M.T.M.
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Inheritance of Apospory in Buffelgrass
Crop Science, 1994Previous studies on inheritance of monopolar (Panicum type) apospory in the Panicoideae resulted in three widely different genetic models and mutually incompatible data sets. We report additional data for tetraploid buffelgrass [Pennisetum ciliate (L.) Link = Cenchrus ciliaris L.] and attempt to reconcile earlier studies.
R. T. Sherwood, C. C. Berg, B. A. Young
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Apospory‐Linked Molecular Markers in Buffelgrass
Crop Science, 1997Isolation of a gene controlling apomixis would be useful to plant breeders for fixing hybrid vigor. A single gene encodes for aposporous apomixis in buffelgrass (Pennisetum ciliare L. Link), which is inherited in a autotetraploid fashion. Only two molecular markers linked to the gene are known: C04‐600, a RAPD (random amplified polymorphic DNA) and ...
D. L. Gustine +2 more
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Apospory in Sorghum bicolor (L.) Moench
Science, 1970A line of Sorghum bicolor (L.) Moench was discovered to reproduce by apospory, a type of apomixis. The formation of an embryo by a nucellar cell without fertilization was established by cytological observations of ovaries and by progeny tests.
W W, Hanna, K F, Schertz, E C, Bashaw
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Apogamy, apospory, and parthenogenesis in the Pteridophytes
The Botanical Review, 1939There can be no doubt that the plants most favorable for the study of apogamy and apospory are the homosporous leptosporangiate Filicales, in many of which these deviations in life cycles have been found to occur in nature and also under cultural conditions. They are not, however, at present fully understood.
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Apospory in Paspalum thunbergii
Australian Journal of Botany, 2004The cytology, development of aposporous embryo sac, pro-embryo and pseudogamy in Paspalum thunbergii Kunth ex Steud. was studied. P. thunbergii was found to be a tetraploid cytotype, with a chromosome number of 40. Meiosis of the pollen mother cells was irregular, pollen viability was low and multiporate pollens were often observed.
Guohua Ma +3 more
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