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Micronutrient Homeostasis and Crosstalk in Plants
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Micronutrient Homeostasis and Crosstalk in Plants

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 7141

Special Issue Editors

Prof. Dr. Chongwei Jin

E-Mail Website
Guest Editor
State Key Laboratory of Plant Physiology and Biochemistry, Zhejiang University, Hangzhou, China
Interests: Fe nutrient; Fe signaling; nitrogen nutrient, nutrient interaction; zinc nutrient; heavy metal
Prof. Dr. Gang Liang

E-Mail Website
Guest Editor
Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, China
Interests: Fe nutrient; Fe sense; Fe signaling; Fe homeostasis; Fe deficiency response; Fe translocation; transcription regulation; nutrient interaction; signaling crosstalk;

Special Issue Information

Dear Colleagues,

Micronutrients are curial for growth and development of plants. Micronutrient deficiency has an adverse impact on crop yield and quality. Bioavailability of micronutrients varies in various habitats, and most crops suffer one or more micronutrient deficiencies to some extent. In-depth understating of the mechanism by which plants adapt to micronutrient deficiency will benefit the improvement of crop yield and quality. With the advent of molecular and genetic tools, our understanding of the micronutrient homeostasis has been being updated. The Special Issue “Micronutrient homeostasis and crosstalk in plants” aims to stimulate comprehensive research for micronutrient homeostasis and crosstalk between micronutrients. This Special Issue will accept articles and reviews on uptake and translocation of micronutrients, regulation of micronutrient deficiency response, micronutrient signal transduction and cross-talk between micronutrients in plants.

Prof.Dr. Chongwei Jin
Prof. Dr. Gang Liang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • micronutrients
  • micronutrient homeostasis
  • micronutrient starvation response
  • micronutrient sensing
  • tanscription regulation
  • signal transducition
  • micronutrient translocation
  • crosstalk between micronutrients

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Published Papers (2 papers)

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18 pages, 7304 KiB  
Article
Genome-Wide Identification and Expression Analysis Reveals Roles of the NRAMP Gene Family in Iron/Cadmium Interactions in Peanut
by Zengjing Tan, Jinxiu Li, Junhua Guan, Chaohui Wang, Zheng Zhang and Gangrong Shi
Int. J. Mol. Sci. 2023, 24(2), 1713; https://doi.org/10.3390/ijms24021713 - 15 Jan 2023
Cited by 20 | Viewed by 3138
Abstract
The natural resistance-associated macrophage protein (NRAMP) family plays crucial roles in metal uptake and transport in plants. However, little is known about their functions in peanut. To understand the roles of AhNRAMP genes in iron/cadmium interactions in peanut, genome-wide identification and bioinformatics analysis [...] Read more.
The natural resistance-associated macrophage protein (NRAMP) family plays crucial roles in metal uptake and transport in plants. However, little is known about their functions in peanut. To understand the roles of AhNRAMP genes in iron/cadmium interactions in peanut, genome-wide identification and bioinformatics analysis was performed. A total of 15 AhNRAMP genes were identified from the peanut genome, including seven gene pairs derived from whole-genome duplication and a segmental duplicated gene. AhNRAMP proteins were divided into two distinct subfamilies. Subfamily I contains eight acid proteins with a specific conserved motif 7, which were predicted to localize in the vacuole membrane, while subfamily II includes seven basic proteins sharing specific conserved motif 10, which were localized to the plasma membrane. Subfamily I genes contained four exons, while subfamily II had 13 exons. AhNRAMP proteins are perfectly modeled on the 5m94.1.A template, suggesting a role in metal transport. Most AhNRAMP genes are preferentially expressed in roots, stamens, or developing seeds. In roots, the expression of most AhNRAMPs is induced by iron deficiency and positively correlated with cadmium accumulation, indicating crucial roles in iron/cadmium interactions. The findings provide essential information to understand the functions of AhNRAMPs in the iron/cadmium interactions in peanuts. Full article
(This article belongs to the Special Issue Micronutrient Homeostasis and Crosstalk in Plants)
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15 pages, 2746 KiB  
Article
CITF1 Functions Downstream of SPL7 to Specifically Regulate Cu Uptake in Arabidopsis
by Yuerong Cai and Gang Liang
Int. J. Mol. Sci. 2022, 23(13), 7239; https://doi.org/10.3390/ijms23137239 - 29 Jun 2022
Cited by 8 | Viewed by 3439
Abstract
Copper (Cu) is one of the most indispensable micronutrients, and proper Cu homeostasis is required for plants to maintain essential cellular functions. Plants activate the Cu uptake system during Cu limitation. Although SPL7 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 7) and CITF1 (Cu-DEFICIENCY INDUCED TRANSCRIPTION [...] Read more.
Copper (Cu) is one of the most indispensable micronutrients, and proper Cu homeostasis is required for plants to maintain essential cellular functions. Plants activate the Cu uptake system during Cu limitation. Although SPL7 (SQUAMOSA PROMOTER BINDING PROTEIN-LIKE 7) and CITF1 (Cu-DEFICIENCY INDUCED TRANSCRIPTION FACTOR 1) are two transcription factors in Cu homeostasis, it remains unclear how SPL7 and CITF1 control the Cu uptake system. Here, we reveal that overexpression of CITF1 causes the enhanced tolerance to Cu deficiency and the elevated expression of Cu uptake genes COPT2, FRO4 and FRO5. Electrophoretic mobility shift assays (EMSA) and transient expression assays indicate that SPL7 directly binds to and activates the promoter of CITF1. The overexpression of CITF1 partially rescues the sensitivity of spl7-1 to Cu deficiency. Transcriptome data suggest that SPL7 and CITF1 coregulate the Cu-homeostasis-signaling network, and CITF1 has its own independent functions. Moreover, both SPL7 and CITF1 can directly bind to and activate the promoters of three Cu uptake genes COPT2, FRO4 and FRO5. This work shows the functions of CITF1 in the Cu-homeostasis-signaling network, providing insights into the complicated molecular mechanism underlying Cu homeostasis. Full article
(This article belongs to the Special Issue Micronutrient Homeostasis and Crosstalk in Plants)
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