Maize Endosperm Tissue Grown in Vitro. II. Morphology and Cytology

Straus, Jacob

doi:10.2307/2438551

Cited by 46 publications

(20 citation statements)

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“…At least three different hypothesis could explain the occurrence of a dihaploid plant after a period of in vitro culture of inflorescences: its development from a microspore in the correct stage (androgenic response) (Kasperbauer et al, 1980), somatic haploidization (a not very frequent process) (Straus, 1954;Sybenga, 2000) and haploid parthenogenesis (a common mechanism in apomictic groups) (Chase, 1969;Sarkar & Coe, Lashermes & Beckert, 1988). There was no evidence about which was the particular mechanism operating to generate UNST1122.…”

Section: Discussionmentioning

confidence: 99%

Novel genotypes of the subtropical grass Eragrostis curvula for the study of apomixis (diplospory)

Cardone¹,

Polci

Selva

et al. 2006

Euphytica

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Novel genotypes of the subtropical grass Eragrostis curvula for the study of apomixis (diplospory) S. Cardone · P. Polci · JP. Selva · M. Mecchia · S. Pessino · P. Hermann · V. Cambi · P. Voigt · G. Spangenberg · V. Echenique Abstract The aim of this work was to obtain a series of genetically related lines of Eragrostis curvula with different ploidy levels and reproductive modes, which can be used for the discovery of genes associated to diplospory. E. curvula is a widely cultivated forage grass native to Southern Africa that reproduces naturally by obligate diplosporous apomixis (asexual reproduction by seeds) of the Antennaria type. In vitro culture of immature inflorescences of the apomictic cultivar Tanganyika led to the regeneration of a diploid S. Cardone Facultad de Agronomía, (FAUBA) P. Polci · JP. Selva · V. Echenique ( ) CERZOS (Euphytica (2006) 151:263-272 ESTs expressed sequence tags MDH malate dehydrogenases MMC megaspores mother cell PRX peroxidases RAPDs random amplified polymorphic DNAs.

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Section: Discussionmentioning

confidence: 99%

Novel genotypes of the subtropical grass Eragrostis curvula for the study of apomixis (diplospory)

Cardone¹,

Polci

Selva

et al. 2006

Euphytica

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“…Another mechanism of haploid cell formation may be genome segregation in a polyploid mitosis, e.g. the haploid (n = 10) cells occurring in maize endosperm On= 30) cultured in vitro (STRAUS 1954). If a mutation occurred in a haploid cell and this cell underwent doubling-e.g.…”

Section: Aneuploidy and Haploidymentioning

confidence: 99%

Somatic Nuclear Mutationsin Vivoandin Vitroin Higher Plants

D’Amato

1990

Caryologia

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“…Drastic color changes are often associated with growth habit changes. Cultures of carrot (EICHENBERGER, 1950;MOK et al, 1976;NAEF & TURIAN, 1963;NISHI et al, 1974;SUGANO et al, 1971), maize endosperm (STRAUS, 1954), Meliotus and Opuntia (NICKELL & TULECKE, 1959), A. belladonna var.…”

Section: Introductionmentioning

confidence: 99%

Natural and induced variation in tissue culture

Skirvin

1978

Euphytica

214

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Tissue culture, variation, clone plant breeding, mutagens. SUMMARY This literature review suggests a novel approach to intra-clonal plant improvement which will utilize both the natural and induced variation associated with clonally propagated plants through various in vitro and in vivo procedures. Many plants obtained in this manner will be of single-cell origin and, hence, of pure mutant type avoiding the traditional chimerism phenomena of mutation breeding studies. While such a system of plant breeding is not intended to replace conventional breeding methods for most crops, it may have special use for the plant breeder who is working with crops which are unique, highly-adapted, or in which the sexual apparatus is disturbed.

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Maize Endosperm Tissue Grown in Vitro. II. Morphology and Cytology

Cited by 46 publications

References 0 publications

Novel genotypes of the subtropical grass Eragrostis curvula for the study of apomixis (diplospory)

Novel genotypes of the subtropical grass Eragrostis curvula for the study of apomixis (diplospory)

Somatic Nuclear Mutationsin Vivoandin Vitroin Higher Plants

Natural and induced variation in tissue culture

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