International Association of Sexual Plant Reproduction Research
@iasprr.bsky.social
Spreading research, lab news and scie tific resources, from flower induction to seed/fruit development 🌺🍎
Pinned
Hi everybody! We are happy to announce that we are creating an official account also in this social platform!🌍🌎🌏. New papers, congress, workshops, and news from our plant reproduction labs around the world coming soon! 🌱🔬🧬🌺 #PlantReproduction #PlantReproJobs #SciFamily
Reposted by International Association of Sexual Plant Reproduction Research
Pan-family pollen signals control an interspecific stigma barrier across Brassicaceae species | Science www.science.org/doi/abs/10.1...
Pan-family pollen signals control an interspecific stigma barrier across Brassicaceae species
Pre-zygotic interspecific incompatibility prevents hybridization between species limiting interbreeding strategies for crop improvement using wild relatives. The Brassica rapa female self-incompatibil...
www.science.org
November 25, 2025 at 7:53 AM
Pan-family pollen signals control an interspecific stigma barrier across Brassicaceae species | Science www.science.org/doi/abs/10.1...
Reposted by International Association of Sexual Plant Reproduction Research
TEK and other AHL proteins interact with TCP14/15 to regulate pollen wall formation in Arabidopsis - Xiong - 2025 - The Plant Journal - Wiley Online Library onlinelibrary.wiley.com/doi/abs/10.1...
TEK and other AHL proteins interact with TCP14/15 to regulate pollen wall formation in Arabidopsis
This work reveals TEK and other AHL members interact with TCP14/15 to regulate nexine formation in Arabidopsis.
onlinelibrary.wiley.com
November 24, 2025 at 7:34 AM
TEK and other AHL proteins interact with TCP14/15 to regulate pollen wall formation in Arabidopsis - Xiong - 2025 - The Plant Journal - Wiley Online Library onlinelibrary.wiley.com/doi/abs/10.1...
CRISPR-Cas–mediated heritable chromosome fusions in Arabidopsis | Science www.science.org/doi/10.1126/...
CRISPR-Cas–mediated heritable chromosome fusions in Arabidopsis
The genome of Arabidopsis thaliana consists of 10 chromosomes. By inducing CRISPR-Cas–mediated breaks at subcentromeric and subtelomeric sequences, we fused entire chromosome arms, obtaining two eight...
www.science.org
November 21, 2025 at 8:23 AM
CRISPR-Cas–mediated heritable chromosome fusions in Arabidopsis | Science www.science.org/doi/10.1126/...
Arabidopsis RabGDIs are essential for the asymmetric division of zygotes and embryonic development nph.onlinelibrary.wiley.com/doi/abs/10.1...
Arabidopsis RabGDIs are essential for the asymmetric division of zygotes and embryonic development
In angiosperms, the asymmetric division of the zygote establishes the plant's primary body axis. While vesicular trafficking is known to be critical for this process, its key regulators are not full.....
nph.onlinelibrary.wiley.com
November 11, 2025 at 8:57 PM
Arabidopsis RabGDIs are essential for the asymmetric division of zygotes and embryonic development nph.onlinelibrary.wiley.com/doi/abs/10.1...
Rab5 GTPases mediate the targeting of ROP signalling to establish polarity for pollen germination
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Rab5 GTPases mediate the targeting of ROP signalling to establish polarity for pollen germination - Nature Plants
Rab5 GTPases deliver RopGEF8 from endosomes to the pollen plasma membrane, establishing polarity for germination. This crosstalk between trafficking and signalling GTPases is crucial for the reproduct...
www.nature.com
November 6, 2025 at 10:06 PM
Rab5 GTPases mediate the targeting of ROP signalling to establish polarity for pollen germination
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Degradation of detrimental microRNAs safeguards the fertilized egg cells to establish an ECS-dependent polytubey block in Arabidopsis
www.cell.com/developmenta...
www.cell.com/developmenta...
Degradation of detrimental microRNAs safeguards the fertilized egg cells to establish an ECS-dependent polytubey block in Arabidopsis
Shen et al. demonstrate that the miRNA degradation-related proteins SDN1–3 degrade
miRNAs targeting ECS in egg cells, thereby ensuring the normal expression of ECS1/2.
This enables the fertilized egg ...
www.cell.com
October 17, 2025 at 7:02 AM
Degradation of detrimental microRNAs safeguards the fertilized egg cells to establish an ECS-dependent polytubey block in Arabidopsis
www.cell.com/developmenta...
www.cell.com/developmenta...
DNA TOP1α coordinates anther morphogenesis and fertility through gene regulatory networks in arabidopsis
www.nature.com/articles/s41...
www.nature.com/articles/s41...
DNA TOP1α coordinates anther morphogenesis and fertility through gene regulatory networks in arabidopsis - Scientific Reports
Scientific Reports - DNA TOP1α coordinates anther morphogenesis and fertility through gene regulatory networks in arabidopsis
www.nature.com
October 3, 2025 at 7:26 AM
DNA TOP1α coordinates anther morphogenesis and fertility through gene regulatory networks in arabidopsis
www.nature.com/articles/s41...
www.nature.com/articles/s41...
An Automated Lab‐On‐A‐Chip Approach for Pollen Tube Growth Manipulation in a Controlled Chemical Environment - Zhu - Advanced Science - Wiley Online Library advanced.onlinelibrary.wiley.com/doi/10.1002/...
An Automated Lab‐On‐A‐Chip Approach for Pollen Tube Growth Manipulation in a Controlled Chemical Environment
Here, a microfluidic-based robotic lab-on-a-chip (LoC) device is presented for automated, continuous-flow investigation and manipulation of single pollen tube growth under precisely controlled chemic....
advanced.onlinelibrary.wiley.com
October 3, 2025 at 6:47 AM
An Automated Lab‐On‐A‐Chip Approach for Pollen Tube Growth Manipulation in a Controlled Chemical Environment - Zhu - Advanced Science - Wiley Online Library advanced.onlinelibrary.wiley.com/doi/10.1002/...
Functional genetics of rice PISTILLATA genes reveals new roles and target genes in flowering time, female fertility, and parthenocarpy - Zamzam - 2025. onlinelibrary.wiley.com/doi/10.1111/...
Functional genetics of rice PISTILLATA genes reveals new roles and target genes in flowering time, female fertility, and parthenocarpy
Rice lodicules are small fleshy floral petal homologs that enable floret opening and closing, for anthesis and seed maturation. We provide insights on OsMADS2 and OsMADS4, expanding their second and ....
onlinelibrary.wiley.com
September 29, 2025 at 12:13 PM
Functional genetics of rice PISTILLATA genes reveals new roles and target genes in flowering time, female fertility, and parthenocarpy - Zamzam - 2025. onlinelibrary.wiley.com/doi/10.1111/...
Plant’s developmental decision to either abort a flower or set seed
www.cell.com/trends/plant...
www.cell.com/trends/plant...
Plant’s developmental decision to either abort a flower or set seed
A significant proportion of flowers in crop plants fail to produce seeds, particularly
under heat and drought stress. This outcome reflects a regulated developmental process
of reproductive abortion, ...
www.cell.com
September 17, 2025 at 11:43 AM
Plant’s developmental decision to either abort a flower or set seed
www.cell.com/trends/plant...
www.cell.com/trends/plant...
📢📢save the dates for our 28th ICSPR meeting in Chengdu, China🇨🇳!!
👉5-8 september 2026, co-chaired by Professors Weicai Yang, Li-Jia Qu, Honghui Lin and Hongju Li.
Stay tuned! more details coming soon!
#ICSPR2026 🌱😉
👉5-8 september 2026, co-chaired by Professors Weicai Yang, Li-Jia Qu, Honghui Lin and Hongju Li.
Stay tuned! more details coming soon!
#ICSPR2026 🌱😉
a poster with minions and the words let the countdown begin
ALT: a poster with minions and the words let the countdown begin
media.tenor.com
September 5, 2025 at 10:01 AM
📢📢save the dates for our 28th ICSPR meeting in Chengdu, China🇨🇳!!
👉5-8 september 2026, co-chaired by Professors Weicai Yang, Li-Jia Qu, Honghui Lin and Hongju Li.
Stay tuned! more details coming soon!
#ICSPR2026 🌱😉
👉5-8 september 2026, co-chaired by Professors Weicai Yang, Li-Jia Qu, Honghui Lin and Hongju Li.
Stay tuned! more details coming soon!
#ICSPR2026 🌱😉
Spatial organization and trafficking dynamics of ANX/BUPS-RALF-LLG signaling complexes during pollen tube growth
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Spatial organization and trafficking dynamics of ANX/BUPS-RALF-LLG signaling complexes during pollen tube growth - Plant Reproduction
Plant Reproduction - Recruitment of RALFs and LLGs for assembly at the apical plasma membrane of pollen tubes is orchestrated by ANXs/BUPSs through endomembrane trafficking. Pollen tube growth...
link.springer.com
September 1, 2025 at 8:12 PM
Spatial organization and trafficking dynamics of ANX/BUPS-RALF-LLG signaling complexes during pollen tube growth
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Reposted by International Association of Sexual Plant Reproduction Research
We are happy to present the magnum opus of Sjoerd Woudenberg, at the close of his PhD – Transgenerational inheritance of the polarity axis in a fern embryo…a thread (1/17)
tinyurl.com/4y53xekv
tinyurl.com/4y53xekv
Transgenerational polarity axis inheritance during Ceratopteris embryogenesis
For sexually reproducing organisms to pass on their genetic information, progeny must successfully establish. Various life history strategies have evolved, using either dispersal of large numbers of p...
tinyurl.com
September 1, 2025 at 2:28 PM
We are happy to present the magnum opus of Sjoerd Woudenberg, at the close of his PhD – Transgenerational inheritance of the polarity axis in a fern embryo…a thread (1/17)
tinyurl.com/4y53xekv
tinyurl.com/4y53xekv
Reposted by International Association of Sexual Plant Reproduction Research
Friday Flower 001: Mimulus lewisii 🌸✨
Monkeyflowers are masterpieces of design with nectar-guide spots formed by an activator–inhibitor system of MYB transcription factors. These generate reaction–diffusion patterns across the ventral petal.
Monkeyflowers are masterpieces of design with nectar-guide spots formed by an activator–inhibitor system of MYB transcription factors. These generate reaction–diffusion patterns across the ventral petal.
August 22, 2025 at 4:19 PM
Kinesins control male germ unit assembly for sperm delivery in Arabidopsis
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Kinesins control male germ unit assembly for sperm delivery in Arabidopsis - Nature Plants
Here Chang et al. found that two kinesins, HUG1 and HUG2, form a kinesin cage encasing the vegetative nucleus and a distinctive double-layered kinesin microtubule cage around the generative cell, teth...
www.nature.com
August 22, 2025 at 6:01 PM
Kinesins control male germ unit assembly for sperm delivery in Arabidopsis
www.nature.com/articles/s41...
www.nature.com/articles/s41...
The tri-molecular interaction controlling plant cell structure
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
The tri-molecular interaction controlling plant cell structure
The plant cell wall is a dynamic envelope crucial for cell structure. Recent insights highlight the pivotal roles of RAPID ALKALINIZATION FACTOR (RALF…
www.sciencedirect.com
August 14, 2025 at 7:23 PM
The tri-molecular interaction controlling plant cell structure
www.sciencedirect.com/science/arti...
www.sciencedirect.com/science/arti...
Maternal environmental effects and climate‐smart seeds: unlocking epigenetic inheritance for crop innovation in the seed industry - Brunel‐Muguet - 2025 - The Plant Journal - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/...
Maternal environmental effects and climate‐smart seeds: unlocking epigenetic inheritance for crop innovation in the seed industry
Maternal stress memory is a reflection of the maternal environment to the offspring. Plant seeds can thus inherit tractable stress tolerance traits, meaning that the maternal environment allows the s...
onlinelibrary.wiley.com
August 13, 2025 at 12:38 PM
Maternal environmental effects and climate‐smart seeds: unlocking epigenetic inheritance for crop innovation in the seed industry - Brunel‐Muguet - 2025 - The Plant Journal - Wiley Online Library onlinelibrary.wiley.com/doi/10.1111/...
Targeted Overexpression of CBF1 Using a Pollen-specific Promoter Enhances Fertility in Heat-stressed Arabidopsis
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Targeted Overexpression of CBF1 Using a Pollen-specific Promoter Enhances Fertility in Heat-stressed Arabidopsis - Journal of Plant Biology
Rising temperatures linked to global climate change pose a major threat to crop yield stability. Sexual reproduction in angiosperms is mediated by the female gametophyte and the male gametophyte (poll...
link.springer.com
August 9, 2025 at 7:48 PM
Targeted Overexpression of CBF1 Using a Pollen-specific Promoter Enhances Fertility in Heat-stressed Arabidopsis
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Inspiration from apomictic species of Rutaceae: AGL11-FIE module induces autonomous development of maize embryo and endosperm without fertilization
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Inspiration from apomictic species of Rutaceae: AGL11-FIE module induces autonomous development of maize embryo and endosperm without fertilization - Theoretical and Applied Genetics
Apomixis is a form of asexual reproduction that produces offspring with the same genetic material as the female parent. Introducing apomixis into major food crops would revolutionize agricultural bree...
link.springer.com
August 8, 2025 at 11:29 AM
Inspiration from apomictic species of Rutaceae: AGL11-FIE module induces autonomous development of maize embryo and endosperm without fertilization
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Kinesin proteins HUG1 and HUG2 are essential for the formation and transportation of male germ units in Arabidopsis pollen tubes
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Kinesin proteins HUG1 and HUG2 are essential for the formation and transportation of male germ units in Arabidopsis pollen tubes - Nature Plants
In flowering plants, the sperm cells travel attached to the vegetative nucleus, forming a unit known as the male germ unit in pollen. This study reports that two kinesins, HUG1 and HUG2, are key for a...
www.nature.com
August 8, 2025 at 8:26 AM
Kinesin proteins HUG1 and HUG2 are essential for the formation and transportation of male germ units in Arabidopsis pollen tubes
www.nature.com/articles/s41...
www.nature.com/articles/s41...
The synaptonemal complex central element SCEP3 interlinks synapsis initiation and crossover formation in Arabidopsis thaliana
www.nature.com/articles/s41...
www.nature.com/articles/s41...
The synaptonemal complex central element SCEP3 interlinks synapsis initiation and crossover formation in Arabidopsis thaliana - Nature Plants
This study identifies SCEP3 as a conserved central element of the plant synaptonemal complex. SCEP3 is critical for synapsis, heterochiasmy and crossover interference. SCEP3 also promotes a subset of ...
www.nature.com
July 23, 2025 at 8:16 PM
The synaptonemal complex central element SCEP3 interlinks synapsis initiation and crossover formation in Arabidopsis thaliana
www.nature.com/articles/s41...
www.nature.com/articles/s41...
The cenH3 assembly factor ZmKNL2 boosts haploid induction in maize
onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com/doi/full/10....
The cenH3 assembly factor ZmKNL2 boosts haploid induction in maize
Click on the article title to read more.
onlinelibrary.wiley.com
July 18, 2025 at 12:56 PM
The cenH3 assembly factor ZmKNL2 boosts haploid induction in maize
onlinelibrary.wiley.com/doi/full/10....
onlinelibrary.wiley.com/doi/full/10....
BONOBO transcription factors positively regulate STICKY GENERATIVE CELL for generative cell internalisation in Arabidopsis
link.springer.com/article/10.1...
link.springer.com/article/10.1...
BONOBO transcription factors positively regulate STICKY GENERATIVE CELL for generative cell internalisation in Arabidopsis - Plant Reproduction
Key message Generative cell internalisation establishes distinctive ‘cell-within-a-cell’ pollen organization in angiosperms. Comparative and transgenic expression analyses provide valuable insights in...
link.springer.com
July 16, 2025 at 10:01 PM
BONOBO transcription factors positively regulate STICKY GENERATIVE CELL for generative cell internalisation in Arabidopsis
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Reposted by International Association of Sexual Plant Reproduction Research
Incredible diversity of #pollen grains!
Pollen autofluorescence acquired with @zeiss-microscopy.bsky.social #superresolution Airyscan & color-coded for depth
#microscopy #bioimaging #bioart #sciart #botany #plantscience #fluorescencefriday
Pollen autofluorescence acquired with @zeiss-microscopy.bsky.social #superresolution Airyscan & color-coded for depth
#microscopy #bioimaging #bioart #sciart #botany #plantscience #fluorescencefriday
June 27, 2025 at 4:40 PM
Incredible diversity of #pollen grains!
Pollen autofluorescence acquired with @zeiss-microscopy.bsky.social #superresolution Airyscan & color-coded for depth
#microscopy #bioimaging #bioart #sciart #botany #plantscience #fluorescencefriday
Pollen autofluorescence acquired with @zeiss-microscopy.bsky.social #superresolution Airyscan & color-coded for depth
#microscopy #bioimaging #bioart #sciart #botany #plantscience #fluorescencefriday
In Vitro Live Cell Imaging Reveals Nuclear Dynamics and Role of the Cytoskeleton During Asymmetric Division of Pollen Mitosis I in Nicotiana Benthamiana - Mizuta - Cytoskeleton - Wiley Online Library onlinelibrary.wiley.com/doi/10.1002/...
In Vitro Live Cell Imaging Reveals Nuclear Dynamics and Role of the Cytoskeleton During Asymmetric Division of Pollen Mitosis I in Nicotiana Benthamiana
Pollen is a male gametophyte of angiosperms. Following meiosis, the microspore undergoes an asymmetric division called pollen mitosis I (PMI), which produces two cells of different sizes: a large veg...
onlinelibrary.wiley.com
June 26, 2025 at 6:47 PM
In Vitro Live Cell Imaging Reveals Nuclear Dynamics and Role of the Cytoskeleton During Asymmetric Division of Pollen Mitosis I in Nicotiana Benthamiana - Mizuta - Cytoskeleton - Wiley Online Library onlinelibrary.wiley.com/doi/10.1002/...