Results 51 to 60 of about 3,786 (194)

S-RNase–mediated Gametophytic Self-Incompatibility is Ancestral in Eudicots [PDF]

Molecular Biology and Evolution, 2002
The evolutionary relationship between self-incompatibility systems in different families of flowering plants has long been a topic of interest. Physiological differences in the mode of gene action and the enormous sequence differences between genes with different modes of action suggest that many instances of self-incompatibility have arisen ...
J E, Steinbachs, K E, Holsinger
openaire   +2 more sources

Finding a Compatible Partner: Self-Incompatibility in European Pear (Pyrus communis); Molecular Control, Genetic Determination, and Impact on Fertilization and Fruit Set

Frontiers in Plant Science, 2019
Pyrus species display a gametophytic self-incompatibility (GSI) system that actively prevents fertilization by self-pollen. The GSI mechanism in Pyrus is genetically controlled by a single locus, i.e., the S-locus, which includes at least two polymorphic
Hanne Claessen, Wannes Keulemans, Bram Van de Poel, Nico De Storme   +3 more
doaj   +1 more source

LOSS OF GAMETOPHYTIC SELF-INCOMPATIBILITY WITH EVOLUTION OF INBREEDING DEPRESSION [PDF]

Evolution, 2005
Gametophytic self-incompatibility (SI) in plants is a widespread mechanism preventing self-fertilization and the ensuing inbreeding depression, but it often evolves to self-compatibility. We analyze genetic mechanisms for the breakdown of gametophytic SI, incorporating a dynamic model for the evolution of inbreeding depression allowing for partial ...
Emmanuelle, Porcher, Russell, Lande
openaire   +3 more sources

Selecting an appropriate method for expressing S locus F-box-S2 recombinant protein

Biotechnology Reports, 2017
A single locus (S locus) including at least two linked genes (female and male determinants) genetically controls the gametophytic self-incompatibility (GSI) in apple, which has evolved to avoid self-fertilization.
Jahanshah Ashkani, D.J.G. Rees
doaj   +1 more source

A general stochastic model for sporophytic self-incompatibility [PDF]

, 2011
Disentangling the processes leading populations to extinction is a major topic in ecology and conservation biology. The difficulty to find a mate in many species is one of these processes.
Billiard, Sylvain, Tran, Viet Chi
core   +5 more sources

Transposable element‐mediated DNA methylation of the NAC20 and NAC26 promoters led to a maternal effect on grain filling

Journal of Integrative Plant Biology, EarlyView.
The rice transcription factor genes NAC20 and NAC26 regulate grain filling and show allele‐specific maternal expression due to transposable element insertions and paternal hypermethylation in their 5' upstream regions. Geographical analyses showed that japonica varieties that originated at high latitudes carried these transposable elements.
Ming‐Wei Wu, Rong Li, Wen‐Tao Wei, Meng‐Meng Chen, Jin‐Lei Liu, Han Cheng, Tao Yang, Jin‐Dan Zhang, Jinxin Liu, Chun‐Ming Liu   +9 more
wiley   +1 more source

S-Genotype Profiles of Turkish Apricot Germplasm

Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2016
In flowering plants, gametophytic self-incompatibility, controlled by a single locus with several allelic variants, is one of the major problems preventing self-fertilization.
Kadir Ugurtan YILMAZ, Busra BASBUG, Kahraman GURCAN, Hasan PINAR, Julia HALASZ, Sezai ERCISLI, Aydın UZUN, Erdogan COCEN   +7 more
doaj   +1 more source

Self-incompatibility in passionfruit: evidence of gametophytic-sporophytic control

Theoretical and Applied Genetics, 2003
Self-incompatibility in passionfruit was studied in families originated from crosses among plants that presented differences in reciprocal crosses. The three families, obtained by crossing S(3) plants, exhibited one incompatible group; no reciprocal differences were observed. The phenotype of the families was the same as the parent plants, S(3).
T de M F, Suassuna, H, Bruckner, R, de Carvalho, A, Borém   +3 more
openaire   +3 more sources

From recognition to response: integrated signaling pathways determining pollen acceptance and rejection in Brassicaceae

New Phytologist, EarlyView.
Summary Generation of competent offspring is vital for the prosperity of flowering plants. The pistil not only functions as a conduit for pollen tubes to grow to the ovary but also provides a selective venue for facilitating the growth of compatible pollen tubes and discouraging invaders and incompatible pollen.
Tong Zhang, Shuyan Li, Shengwei Dou, Qiaohong Duan   +3 more
wiley   +1 more source

Artificial Mutations in the Nuclear Gene Encoding Mitochondrial RNA Polymerase Restore Pollen Fertility in Cytoplasmic Male Sterile Tomato

Plant Biotechnology Journal, EarlyView.
ABSTRACT Cytoplasmic male sterility (CMS) and restorer of fertility (Rf) are important traits in F1 hybrid breeding. However, the CMS/Rf system has not been used in tomatoes because of the limited resources of Rf lines. In this study, we performed mutagenesis in tomato CMS seeds and successfully obtained 13 suppressor mutants with pollen fertility ...
Kosuke Kuwabara, Rika Nakajima, Van Bosstraeten Alexis Gaetan, Kentaro Ezura, Kinya Toriyama, Tohru Ariizumi, Kenta Shirasawa   +6 more
wiley   +1 more source