Should I fight or should I grow now? The role of cytokinins in plant growth and immunity and in the growth-defence trade-off.
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TLDR
The mechanisms by which the plant hormone cytokinin regulates both plant growth and response to pathogens are reviewed, and how cytokinins may connect these two processes, ultimately affecting the growth trade-offs observed in plant immunity.About:
This article is published in Annals of Botany.The article was published on 2016-11-17 and is currently open access. It has received 82 citations till now. The article focuses on the topics: Plant Immunity & Plant hormone.read more
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Evolution of Hormone Signaling Networks in Plant Defense
TL;DR: In this article, the authors explore the evolution of defense hormone signaling networks by combining the model plant-based knowledge about molecular components mediating phytohormone signaling and cross talk with available genome information of other plant species.
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Cytokinin action in response to abiotic and biotic stresses in plants.
Anne Cortleven,Jan Erik Leuendorf,Manuel Frank,Daniela Pezzetta,Sylvia Bolt,Thomas Schmülling +5 more
TL;DR: The phytohormone cytokinin was originally discovered as a regulator of cell division and later was described to be involved in regulating numerous processes in plant growth and development including meristem activity, tissue patterning, and organ size.
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Trichoderma Species: Versatile Plant Symbionts.
Paulina Guzmán-Guzmán,Maria Daniela Porras-Troncoso,Vianey Olmedo-Monfil,Alfredo Herrera-Estrella +3 more
TL;DR: Through genome mining, a less explored factor that Trichoderma could be using to become successful plant symbionts, the production of phytohormones-auxins, cytokinins, abscisic acid, gibberellins, among others, is approached.
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Role of Cytokinins for Interactions of Plants With Microbial Pathogens and Pest Insects.
TL;DR: The contrasting role of cytokinin for the defence and susceptibility of plants against bacterial and fungal pathogen and pest insects is assessed and the cross talk of cytkinins with other phytohormones and the underlying mechanism involved in enhancing plant immunity against pathogen infections are discussed.
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Salicylic Acid Steers the Growth-Immunity Tradeoff.
TL;DR: Research on the role of SA in the growth–immunity tradeoff and examples of how the tradeoff can be bypassed are reviewed.
References
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Role of WUSCHEL in Regulating Stem Cell Fate in the Arabidopsis Shoot Meristem
TL;DR: It is shown that WUS encodes a novel homeodomain protein which presumably acts as a transcriptional regulator and suggests that stem cells in the shoot meristem are specified by an underlying cell group which is established in the 16-cell embryo and becomes localized to its prospective domain of function by asymmetric cell divisions.
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The Stem Cell Population of Arabidopsis Shoot Meristems Is Maintained by a Regulatory Loop between the CLAVATA and WUSCHEL Genes
TL;DR: This paper showed that the shoot meristem has properties of a self-regulatory system in which WUS/CLV interactions establish a feedback loop between the stem cells and the underlying organizing center.
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Cytokinin-Deficient Transgenic Arabidopsis Plants Show Multiple Developmental Alterations Indicating Opposite Functions of Cytokinins in the Regulation of Shoot and Root Meristem Activity
TL;DR: The results are consistent with the hypothesis that cytokinins have central, but opposite, regulatory functions in root and shoot meristems and indicate that a fine-tuned control of catabolism plays an important role in ensuring the proper regulation of cytokinin functions.
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Signaling of Cell Fate Decisions by CLAVATA3 in Arabidopsis Shoot Meristems
TL;DR: Genetic analysis indicates that CLV1, which encodes a receptor kinase, acts with CLV3 to control the balance between meristem cell proliferation and differentiation in Arabidopsis thaliana plants with loss-of-function mutations in the CLAVATA genes.
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Sugar transporters for intercellular exchange and nutrition of pathogens
Li Qing Chen,Bi Huei Hou,Sylvie Lalonde,Hitomi Takanaga,Mara L. Hartung,Xiao Qing Qu,Woei Jiun Guo,Jung Gun Kim,William Underwood,Bhavna Chaudhuri,Diane Chermak,Ginny Antony,Frank F. White,Shauna Somerville,Mary Beth Mudgett,Wolf B. Frommer +15 more
TL;DR: Using optical glucose sensors, a new class of sugar transporters are identified, named SWEETs, and it is shown that at least six out of seventeen Arabidopsis, two out of over twenty rice and two of seven homologues in Caenorhabditis elegans, and the single copy human protein, mediate glucose transport.