Results 61 to 70 of about 6,308 (241)

OsMT2b Regulates Pollen Development and ROS Homeostasis in a Photoperiod‐Dependent Manner

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Reactive oxygen species (ROS) are signalling molecules that promote programmed cell death in animal and plant systems. However, their role in rice (Oryza sativa L.) anther development is unclear. In this study, we show that lower transcript levels of the metallothionein gene OsMT2b in japonica rice plants obtained by RNA interference (RNAi ...
Ying He   +9 more
wiley   +1 more source

Evolution of molecular communication in the permanent Azolla symbiosis

open access: yesNew Phytologist, Volume 249, Issue 4, Page 1666-1674, February 2026.
Summary Heritable symbioses exist across eukaryotes with different degrees of intimacy. In most cases, the symbionts are obligate and require inheritance for their survival. On the host side, symbiont retention can facilitate fitness benefits. Only rarely are these symbioses interwoven to the point that host survival relies on the symbiont.
Deren Büyüktaş   +2 more
wiley   +1 more source

Doubled haploid ramets via embryogenesis of haploid tissue cultures [PDF]

open access: yes, 2010
Tissue culture in the oil palm business is generally concerned with the multiplication (clonal production) of dura, pisifera and tenera palms. These are all normal diploids (2n=2x=36).
Caligari, P. D. S.   +4 more
core  

Loss of E3 ligase HvST1 function substantially increases distal crossover frequency

open access: yesNew Phytologist, Volume 249, Issue 3, Page 1325-1341, February 2026.
Summary This study characterizes the function of a grass‐specific E3 ubiquitin ligase, HvST1, in regulating synapsis and crossover (CO) formation during meiosis in barley (Hordeum vulgare). In large‐genome cereals, COs are predominantly restricted to distal chromosomal regions, limiting genetic recombination and breeding flexibility.
Jamie Neil Orr   +8 more
wiley   +1 more source

Androgenic response of wheat genotypes resistant to fusariosis [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2018
: The objective of this work was to assess the androgenic response, via microspore culture, of wheat genotypes with different levels of resistance to Gibberella zeae.
Mônica Bossardi Coelho   +4 more
doaj   +1 more source

Microgametophyte Development in Cannabis sativa L. and First Androgenesis Induction Through Microspore Embryogenesis

open access: yesFrontiers in Plant Science, 2021
Development of double haploids is an elusive current breeding objective in Cannabis sativa L. We have studied the whole process of anther and pollen grain formation during meiosis, microsporogenesis, and microgametogenesis and correlated the different ...
Alberto Galán-Ávila   +3 more
doaj   +1 more source

Risks for human health related to the presence of plant lectins in food

open access: yesEFSA Journal, Volume 24, Issue 1, January 2026.
Abstract The European Commission asked the European Food Safety Authority (EFSA) to assess the risk related to the presence of plant lectins in food. Based on the available evidence, the CONTAM Panel considered only phytohaemagglutinin (PHA), a legume lectin from beans (Phaseolus sp.), for the risk characterisation.
EFSA Panel on Contaminants in the Food Chain (CONTAM)   +30 more
wiley   +1 more source

Microspore developmental evaluation at the booting stage and androgenic callus induction in sorghum [Sorghum bicolor (L.) Moench] via anther culture

open access: yesNotulae Botanicae Horti Agrobotanici Cluj-Napoca
Androgenesis is a key method for producing doubled haploid (DH) lines, typically achieved through in vitro techniques such as anther culture and isolated microspore culture.
Bambang S. PURWOKO   +3 more
doaj   +1 more source

Determination of Suitable Microspore Stage and Callus Induction from Anthers of Kenaf (Hibiscus cannabinus L.)

open access: yesThe Scientific World Journal, 2014
Kenaf (Hibiscus cannabinus L.) is one of the important species of Hibiscus cultivated for fiber. Availability of homozygous parent lines is prerequisite to the use of the heterosis effect reproducible in hybrid breeding.
Ahmed Mahmood Ibrahim   +4 more
doaj   +1 more source

CLE19 suppresses brassinosteroid signaling output via the BSL‐BIN2 module to maintain BES1 activity and pollen exine patterning in Arabidopsis

open access: yesJournal of Integrative Plant Biology, Volume 67, Issue 12, Page 3216-3230, December 2025.
Antagonistic crosstalk between the microspore‐derived CLE19 peptide and brassinosteroid signaling preserves pollen developmental homeostasis in Arabidopsis. CLE19 activates a protein phosphatase—kinase cascade to phosphorylate the transcription factor BES1, triggering its inactivation and suppressing brassinosteroid signaling outputs, thereby fine ...
Shuangshuang Wang   +16 more
wiley   +1 more source

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