Results 101 to 110 of about 2,834 (155)

Phytochemische Untersuchungen an einer Melissenkollektion

Julius-Kühn-Archiv, 2014
Chizzola, Remigius, Lohwasser, Ulrike
doaj   +1 more source

Characterization And Physical Mapping Of Gene Candidate For Apomixis

, 2007
HANS DE JONG, MARIO FALCINELLI, LORENZO RAGGI, FRANCESCO ANGELONI, GIANPIERO MARCONI, COLLANI S, GIANNI BARCACCIA, EMIDIO ALBERTINI   +7 more
core   +1 more source

Apomixis technology and the paradox of sex [PDF]

Trends in Plant Science, 2000
Most plant species produce genetically variable seeds by the fusion of meiotically reduced egg cells and pollen grains. However, a small proportion of seed plants produces clonal, asexual seeds by the process of apomixis. The fixation of heterosis by apomixis is of great interest for plant breeding.
Peter van Dijk
exaly   +5 more sources

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Apomixis

Current Biology, 2023
Wang and Underwood introduce apomixis in plants.
Yazhong, Wang, Charles J, Underwood
openaire   +2 more sources

On the origin and evolution of apomixis in Boechera

Plant Reproduction, 2013
The genetic mechanisms causing seed development by gametophytic apomixis in plants are predominantly unknown. As apomixis is consistently associated with hybridity and polyploidy, these confounding factors may either (a) be the underlying mechanism for ...
M Eric Schranz, Marcus Koch, Timothy Sharbel   +2 more
exaly   +2 more sources

Recent Progress on Plant Apomixis for Genetic Improvement

International Journal of Molecular Sciences
Apomixis is a reproductive process that produces clonal seeds while bypassing meiosis (or apomeiosis) without undergoing fertilization (or pseudo-fertilization).
Shi Gongyao, Zhengqing Xie, Yuxiang Yuan   +2 more
exaly   +2 more sources

Apomixis in the Era of Biotechnology

2009
The adaptive success of living organisms depends on the maintenance of a dynamic equilibrium between creating new genetic combinations and fixing those which are more adapted to the present environment. Sexual reproduction is universally the main route to recombine genes in the short term; on the other hand, different strategies have been adopted to ...
ALBERTINI, Emidio, BARCACCIA G, MAZZUCATO A, SHARBEL T, FALCINELLI, Mario   +4 more
openaire   +3 more sources

Gametophytic Apomixis: An Introduction

Apomixis, clonal reproduction through seed, is divided into sporophytic (nucellar embryony) and gametophytic apomixis. This book focuses on the latter type. Gametophytic apomixis, while rare, is taxonomically widespread, notably among grasses and Asteraceae. Detection methods have advanced significantly, employing flow cytometry and advanced microscopy
Peter J, van Dijk, Tatyana, Radoeva
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Apomixis and amphimixis in flowering plants

Cytology and Genetics, 2008
The light microscopic and ultrastuctural events of apomictic seed development from the earliest stages through the embryo and endosperm development to maturity were compared with those of the sexual one. The problem of autonomous endosperm formation was postulated as the main problem in low apomictic seed set.
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Apomixis and Parthenogenesis

1980
Asexual reproduction occurs in plants as well as in animals. In plants, asexual reproduction is commonly known as apomixis.
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