Results 31 to 40 of about 6,476 (220)

Protein Profiling Reveals Novel Proteins in Pollen and Pistil of W22 (ga1; Ga1) in Maize

open access: yesProteomes, 2014
Gametophytic factors mediate pollen-pistil interactions in maize (Zea mays L.) and play active roles in limiting gene flow among maize populations and between maize and teosinte.
Jin Yu   +8 more
doaj   +1 more source

The effect of sheltered load on reproduction in Solanum carolinense, a species with variable self-incompatibility [PDF]

open access: yes, 2009
In previous studies, we have investigated the strength of self-incompatibility (SI) in Solanum carolinense, a highly successful weed with a fully functional SI system that inhabits early successional and other disturbed habitats.
Keser, L.H.   +2 more
core   +2 more sources

Transcriptomic analysis links gene expression to unilateral pollen-pistil reproductive barriers

open access: yesBMC Plant Biology, 2017
Background Unilateral incompatibility (UI) is an asymmetric reproductive barrier that unidirectionally prevents gene flow between species and/or populations.
Amanda K. Broz   +5 more
doaj   +1 more source

Peptide Signaling in Pollen-Pistil Interactions [PDF]

open access: yesPlant and Cell Physiology, 2010
Plant fertilization is achieved through the involvement of various pollen-pistil interactions. Self-/non-self-recognition in pollination is important to avoid inbreeding, and directional and sustainable control of pollen tube growth is critical for the pollen tube to deliver male germ cells.
openaire   +2 more sources

Efficient preparation of Arabidopsis pollen tubes for ultrastructural analysis using chemical and cryo-fixation [PDF]

open access: yes, 2017
The pollen tube (PT) serves as a model system for investigating plant cell growth and morphogenesis. Ultrastructural studies are indispensable to complement data from physiological and genetic analyses, yet an effective method is lacking for PTs of the ...
A Vitale   +45 more
core   +2 more sources

Mechanism of self/nonself-discrimination in Brassica self-incompatibility

open access: yesNature Communications, 2020
Self-incompatibility responses in Brassica are induced by haplotype-specific interactions between the pistil-expressed SRK receptor and pollen-expressed SP11 ligand.
Kohji Murase   +17 more
doaj   +1 more source

Pollen‐pistil interaction in kiwifruit (Actinidia deliciosa; Actinidiaceae) [PDF]

open access: yesAmerican Journal of Botany, 1996
The pollen‐pistil interaction has been examined in kiwifruit (Actinidia deliciosa). In this species a large number of seeds are produced in each fruit and a great many pollen grains germinate and grow to reach the ovules. This growth is assisted by an abundant secretion that is present all along the pistilar tract. At anthesis, the stigma is covered by
González González, María Victoria   +2 more
openaire   +5 more sources

Whole-Organ analysis of calcium behaviour in the developing pistil of olive (Olea europaea L.) as a tool for the determination of key events in sexual plant reproduction

open access: yesBMC Plant Biology, 2011
Background The pistil is a place where multiple interactions between cells of different types, origin, and function occur. Ca2+ is one of the key signal molecules in plants and animals. Despite the numerous studies on Ca2+ signalling during pollen-pistil
Zienkiewicz Krzysztof   +5 more
doaj   +1 more source

Divergent Mating Systems and Parental Conflict as a Barrier to Hybridization in Flowering Plants [PDF]

open access: yes, 2005
Parental conflicts can lead to antagonistic coevolution of the sexes and of parental genomes. Within a population, the resulting antagonistic effects should balance, but crosses between populations can reveal conflict.
Brandvain, Yaniv, Haig, David
core   +1 more source

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