Auxins in the right space and time regulate pea fruit development

Ludwig‐Müller, Jutta

doi:10.1093/jxb/erac237

Journal of Experimental Botany

2022

DOI: 10.1093/jxb/erac237

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Auxins in the right space and time regulate pea fruit development

Jutta Ludwig‐Müller

Abstract: This article comments on: Ozga JA, Jayasinghege CPA, Kaur H, Gao L, Nadeau CD, Reinecke DM. 2022 Auxin receptors as integrators of developmental and hormonal signals during reproductive development in pea. Journal of Experimental Botany 73, 4094–4112

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Cited by 3 publications

References 27 publications

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Structure and Function of Auxin Transporters

Hammes,

Pedersen

2024

Annual Review of Plant Biology

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Auxins, a group of central hormones in plant growth and development, are transported by a diverse range of transporters with distinct biochemical and structural properties. This review summarizes the current knowledge on all known auxin transporters with respect to their biochemical and biophysical properties and the methods used to characterize them. In particular, we focus on the recent advances that were made concerning the PIN-FORMED family of auxin exporters. Insights derived from solving their structures have improved our understanding of the auxin export process, and we discuss the current state of the art on PIN-mediated auxin transport, including the use of biophysical methods to examine their properties. Understanding the mechanisms of auxin transport is crucial for understanding plant growth and development, as well as for the development of more effective strategies for crop production and plant biotechnology. Expected final online publication date for the Annual Review of Plant Biology, Volume 75 is May 2024. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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Structure and Function of Auxin Transporters

Hammes,

Pedersen

2024

Annual Review of Plant Biology

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Plant Growth and Development Regulators: Classification, Nature and Mechanism of Action

Tarasov,

Mikhalev,

Rechkin

et al. 2023

Agrohimiâ

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Questions of the nature and mechanism of action of plant growth and development regulators (hereinafter referred to as regulators) are considered. It is proposed to use the classification of regulators depending on their original nature. Four groups of regulators are distinguished: pure chemicals, physical, biological and complex regulators. Attention is paid to the mechanisms of the relationship of artificial regulators with the natural system of regulation and integration of plants.

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Genome-Wide Identification and Abiotic Stress Expression Analysis of CKX and IPT Family Genes in Cucumber (Cucumis sativus L.)

Xu,

Ran,

et al. 2024

Plants

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Cytokinins (CKs) are among the hormones that regulate plants’ growth and development, and the CKX and IPT genes, which are CK degradation and biosynthesis genes, respectively, play important roles in fine-tuning plants’ cytokinin levels. However, the current research on the function of IPT and CKX in cucumber’s growth, development, and response to abiotic stress is not specific enough, and their regulatory mechanisms are still unclear. In this study, we focused on the IPT and CKX genes in cucumber, analyzed the physiological and biochemical properties of their encoded proteins, and explored their expression patterns in different tissue parts and under low light, salt stress, and drought stress. Eight CsCKX and eight CsIPT genes were identified from the cucumber genome. We constructed a phylogenetic tree from the amino acid sequences and performed prediction analyses of the cis-acting elements of the CsCKX and CsIPT promoters to determine whether CsCKXs and CsIPTs are responsive to light, abiotic stress, and different hormones. We also performed expression analysis of these genes in different tissues, and we found that CsCKXs and CsIPTs were highly expressed in roots and male flowers. Thus, they are involved in the whole growth and development process of the plant. This paper provides a reference for further research on the biological functions of CsIPT and CsCKX in regulating the growth and development of cucumber and its response to abiotic stress.

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Auxins in the right space and time regulate pea fruit development

Abstract: This article comments on: Ozga JA, Jayasinghege CPA, Kaur H, Gao L, Nadeau CD, Reinecke DM. 2022 Auxin receptors as integrators of developmental and hormonal signals during reproductive development in pea. Journal of Experimental Botany 73, 4094–4112

Cited by 3 publications

References 27 publications

Structure and Function of Auxin Transporters

Structure and Function of Auxin Transporters

Plant Growth and Development Regulators: Classification, Nature and Mechanism of Action

Genome-Wide Identification and Abiotic Stress Expression Analysis of CKX and IPT Family Genes in Cucumber (Cucumis sativus L.)

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