Restriction of intercellular communication is required for organ regeneration DOI Open Access

Itay Cohen,

Hagit Hak,

Jessica Pérez‐Sancho

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 10, 2023

Abstract The excision of the root tip, including stem cell niche, triggers rapid regeneration from remnant cells in stump. In plants, identity relies on positional information transported through cytoplasmatic bridges known as plasmodesmata. However, how such is reset to allow lost identities unknown. Here, we show that movement mobile signals temporarily restricted near incision site and regeneration-induced members LATERAL ORGAN DOMAIN (LBD) plant-specific developmental regulators are necessary sufficient for this restriction. Regeneration was disrupted high-order lbd mutants but restored by transient localized plasmodesmata closure. We propose LBD-mediated modulation intercellular connectivity crucial plant may have widespread roles de novo pattern formation. One Sentence Summary Plant-specific DNA binding genes mediate a restriction communication

Language: Английский

Plant mRNAs move into a fungal pathogen via extracellular vesicles to reduce infection DOI Creative Commons
Shumei Wang, Baoye He, Huaitong Wu

et al.

Cell Host & Microbe, Journal Year: 2023, Volume and Issue: 32(1), P. 93 - 105.e6

Published: Dec. 15, 2023

Cross-kingdom small RNA trafficking between hosts and microbes modulates gene expression in the interacting partners during infection. However, whether other RNAs are also transferred is unclear. Here, we discover that host plant Arabidopsis thaliana delivers mRNAs via extracellular vesicles (EVs) into fungal pathogen Botrytis cinerea. A fluorescent aptamer reporter Broccoli system reveals EVs recipient cells. Using translating ribosome affinity purification profiling polysome analysis, observe delivered translated Ectopic of two B. cinerea shows their proteins detrimental to knockout mutants genes corresponding these more susceptible. Thus, plants have a strategy reduce infection by transporting from pathogenic fungi compromise infection, providing knowledge helps combat crop diseases.

Language: Английский

Citations

47
Plasmodesmata and intercellular molecular traffic control DOI Creative Commons
Estee E. Tee, Christine Faulkner

New Phytologist, Journal Year: 2024, Volume and Issue: 243(1), P. 32 - 47

Published: March 17, 2024

Summary Plasmodesmata are plasma membrane‐lined connections that join plant cells to their neighbours, establishing an intercellular cytoplasmic continuum through which molecules can travel between cells, tissues, and organs. As plasmodesmata connect almost all in plants, molecular traffic carries information resources across a range of scales, but dynamic control plasmodesmal aperture change the possible domains exchange under different conditions. Plasmodesmal is controlled by specialised signalling cascades accommodated spatially discrete membrane cell wall domains. Thus, composition defines capacity for trafficking. Further, shape density likewise define trafficking capacity, with walls types hosting numbers forms drive flux physiologically important directions. The travels ranges from small metabolites proteins, possibly even larger mRNAs. Smaller transmitted via passive mechanisms how efficiently trafficked remains key question biology. How formed, they take, what made of, passes them regulate underpinning wide physiology.

Language: Английский

Citations

18
Plasmodesmata: Channels Under Pressure DOI
Emmanuelle Bayer, Yoselin Benitez‐Alfonso

Annual Review of Plant Biology, Journal Year: 2024, Volume and Issue: 75(1), P. 291 - 317

Published: March 1, 2024

Multicellularity has emerged multiple times in evolution, enabling groups of cells to share a living space and reducing the burden solitary tasks. While unicellular organisms exhibit individuality independence, cooperation among multicellular brings specialization flexibility. However, multicellularity also necessitates intercellular dependence relies on communication. In plants, this communication is facilitated by plasmodesmata: bridges that allow direct (cytoplasm-to-cytoplasm) transfer information between cells. Plasmodesmata transport essential molecules regulate plant growth, development, stress responses. They are embedded extracellular matrix but flexibility, adapting flux meet plant's needs.In review, we delve into formation functionality plasmodesmata examine capacity network respond developmental environmental cues. We illustrate how pressure shapes cellular interactions aids its growth.

Language: Английский

Citations

15
Arabidopsis cyclophilins direct intracellular transport of mobile mRNA via organelle hitchhiking DOI
Kai‐Ren Luo, Nien‐Chen Huang, Yu-Hsien Chang

et al.

Nature Plants, Journal Year: 2024, Volume and Issue: 10(1), P. 161 - 171

Published: Jan. 4, 2024

Language: Английский

Citations

13
Viroid Replication, Movement, and the Host Factors Involved DOI Creative Commons

Yuhong Zhang,

Yuxin Nie,

Luyou Wang

et al.

Microorganisms, Journal Year: 2024, Volume and Issue: 12(3), P. 565 - 565

Published: March 12, 2024

Viroids represent distinctive infectious agents composed solely of short, single-stranded, circular RNA molecules. In contrast to viruses, viroids do not encode for proteins and lack a protective coat protein. Despite their apparent simplicity, have the capacity induce diseases in plants. Currently, extensive research is being conducted on replication cycle within both Pospiviroidae Avsunviroidae families, shedding light intricacies associated host factors. Utilizing potato spindle tuber viroid as model, investigations into structural motifs involved trafficking between different cell types been thorough. Nevertheless, our understanding factors responsible intra- inter-cellular movement remains highly incomplete. This review consolidates current knowledge emphasizing basis required identified involved. Additionally, we explore potential that may mediate viroids, addressing gaps understanding. Moreover, application emergence novel viroid-like cellular parasites are also discussed.

Language: Английский

Citations

4
Tracking the messengers: Emerging advances in mRNA-based plant communication DOI
Saikat Paul, David Jackson, Munenori Kitagawa

et al.

Current Opinion in Plant Biology, Journal Year: 2024, Volume and Issue: 79, P. 102541 - 102541

Published: April 25, 2024

Language: Английский

Citations

2
Regulation of stomatal development by epidermal, subepidermal and long-distance signals DOI
Chen Liang

Plant Molecular Biology, Journal Year: 2024, Volume and Issue: 114(4)

Published: June 28, 2024

Language: Английский

Citations

1
Restriction of intercellular communication is required for organ regeneration DOI Open Access

Itay Cohen,

Hagit Hak,

Jessica Pérez‐Sancho

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 10, 2023

Abstract The excision of the root tip, including stem cell niche, triggers rapid regeneration from remnant cells in stump. In plants, identity relies on positional information transported through cytoplasmatic bridges known as plasmodesmata. However, how such is reset to allow lost identities unknown. Here, we show that movement mobile signals temporarily restricted near incision site and regeneration-induced members LATERAL ORGAN DOMAIN (LBD) plant-specific developmental regulators are necessary sufficient for this restriction. Regeneration was disrupted high-order lbd mutants but restored by transient localized plasmodesmata closure. We propose LBD-mediated modulation intercellular connectivity crucial plant may have widespread roles de novo pattern formation. One Sentence Summary Plant-specific DNA binding genes mediate a restriction communication

Language: Английский

Citations

3