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Saavedra-Díaz C, Trujillo-Montenegro JH, Jaimes HA, Londoño A, Villareal FAS, López LO, Valens CAV, López-Gerena J, Riascos JJ, Quevedo YM, Aguilar FS. Genetic association analysis in sugarcane (Saccharum spp.) for sucrose accumulation in humid environments in Colombia. BMC PLANT BIOLOGY 2024; 24:570. [PMID: 38886648 PMCID: PMC11184777 DOI: 10.1186/s12870-024-05233-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 05/31/2024] [Indexed: 06/20/2024]
Abstract
BACKGROUND Sucrose accumulation in sugarcane is affected by several environmental and genetic factors, with plant moisture being of critical importance for its role in the synthesis and transport of sugars within the cane stalks, affecting the sucrose concentration. In general, rainfall and high soil humidity during the ripening stage promote plant growth, increasing the fresh weight and decreasing the sucrose yield in the humid region of Colombia. Therefore, this study aimed to identify markers associated with sucrose accumulation or production in the humid environment of Colombia through a genome-wide association study (GWAS). RESULTS Sucrose concentration measurements were taken in 220 genotypes from the Cenicaña's diverse panel at 10 (early maturity) and 13 (normal maturity) months after planting. For early maturity data was collected during plant cane and first ratoon, while at normal maturity it was during plant cane, first, and second ratoon. A total of 137,890 SNPs were selected after sequencing the 220 genotypes through GBS, RADSeq, and whole-genome sequencing. After GWAS analysis, a total of 77 markers were significantly associated with sucrose concentration at both ages, but only 39 were close to candidate genes previously reported for sucrose accumulation and/or production. Among the candidate genes, 18 were highlighted because they were involved in sucrose hydrolysis (SUS6, CIN3, CINV1, CINV2), sugar transport (i.e., MST1, MST2, PLT5, SUT4, ERD6 like), phosphorylation processes (TPS genes), glycolysis (PFP-ALPHA, HXK3, PHI1), and transcription factors (ERF12, ERF112). Similarly, 64 genes were associated with glycosyltransferases, glycosidases, and hormones. CONCLUSIONS These results provide new insights into the molecular mechanisms involved in sucrose accumulation in sugarcane and contribute with important genomic resources for future research in the humid environments of Colombia. Similarly, the markers identified will be validated for their potential application within Cenicaña's breeding program to assist the development of breeding populations.
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Affiliation(s)
- Carolina Saavedra-Díaz
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
- Pontificia Universidad Javeriana, Cali, Colombia
| | | | - Hugo Arley Jaimes
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
| | - Alejandra Londoño
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
| | | | - Luis Orlando López
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
| | | | - Jershon López-Gerena
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
| | - John J Riascos
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia
| | | | - Fernando S Aguilar
- Centro de Investigación de la Caña de Azúcar de Colombia (CENICAÑA), Cali, Colombia.
- Colombian Sugarcane Research Center (Cenicaña), km 26 Vía Cali-Florida, Valle del Cauca, Colombia.
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2
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Lu L, Delrot S, Liang Z. From acidity to sweetness: a comprehensive review of carbon accumulation in grape berries. MOLECULAR HORTICULTURE 2024; 4:22. [PMID: 38835095 DOI: 10.1186/s43897-024-00100-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 05/15/2024] [Indexed: 06/06/2024]
Abstract
Most of the carbon found in fruits at harvest is imported by the phloem. Imported carbon provide the material needed for the accumulation of sugars, organic acids, secondary compounds, in addition to the material needed for the synthesis of cell walls. The accumulation of sugars during fruit development influences not only sweetness but also various parameters controlling fruit composition (fruit "quality"). The accumulation of organic acids and sugar in grape berry flesh cells is a key process for berry development and ripening. The present review presents an update of the research on grape berry development, anatomical structure, sugar and acid metabolism, sugar transporters, and regulatory factors.
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Affiliation(s)
- Lizhen Lu
- State Key Laboratory of Plant Diversity and Prominent Crop, Beijing Key Laboratory of Grape Science and Oenology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China
- China National Botanical Garden, Beijing, 100093, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Serge Delrot
- Bordeaux University, Bordeaux Sciences Agro, INRAE, UMR EGFV, ISVV, Villenave d'Ornon, 33882, France
| | - Zhenchang Liang
- State Key Laboratory of Plant Diversity and Prominent Crop, Beijing Key Laboratory of Grape Science and Oenology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
- China National Botanical Garden, Beijing, 100093, China.
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3
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Zhu J, Li T, Ma J, Li W, Zhang H, Nadezhda T, Zhu Y, Dong X, Li C, Fan J. Genome-wide identification and investigation of monosaccharide transporter gene family based on their evolution and expression analysis under abiotic stress and hormone treatments in maize (Zea mays L.). BMC PLANT BIOLOGY 2024; 24:496. [PMID: 38831278 PMCID: PMC11149190 DOI: 10.1186/s12870-024-05186-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 05/22/2024] [Indexed: 06/05/2024]
Abstract
BACKGROUND Monosaccharide transporter (MST) family, as a carrier for monosaccharide transport, plays an important role in carbon partitioning and widely involves in plant growth and development, stress response, and signaling transduction. However, little information on the MST family genes is reported in maize (Zea mays), especially in response to abiotic stresses. In this study, the genome-wide identification of MST family genes was performed in maize. RESULT A total of sixty-six putative members of MST gene family were identified and divided into seven subfamilies (including SPT, PMT, VGT, INT, pGlcT, TMT, and ERD) using bioinformatics approaches, and gene information, phylogenetic tree, chromosomal location, gene structure, motif composition, and cis-acting elements were investigated. Eight tandem and twelve segmental duplication events were identified, which played an important role in the expansion of the ZmMST family. Synteny analysis revealed the evolutionary features of MST genes in three gramineous crop species. The expression analysis indicated that most of the PMT, VGT, and ERD subfamilies members responded to osmotic and cadmium stresses, and some of them were regulated by ABA signaling, while only a few members of other subfamilies responded to stresses. In addition, only five genes were induced by NaCl stress in MST family. CONCLUSION These results serve to understand the evolutionary relationships of the ZmMST family genes and supply some insight into the processes of monosaccharide transport and carbon partitioning on the balance between plant growth and development and stress response in maize.
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Affiliation(s)
- Jialun Zhu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Tianfeng Li
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Jing Ma
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Wenyu Li
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Hanyu Zhang
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Tsyganova Nadezhda
- Saint-Petersburg State Agrarian University, Peterburgskoe shosse, Pushkin, St. Petersburg, 196601, Russia
| | - Yanshu Zhu
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Xiaomei Dong
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China
| | - Cong Li
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China.
- Shenyang City Key Laboratory of Maize Genomic Selection Breeding, Shenyang, Liaoning, 110866, China.
| | - Jinjuan Fan
- College of Bioscience and Biotechnology, Shenyang Agricultural University, Shenyang, Liaoning, 110866, China.
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4
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Jung YS, Kim HG, Cho CH, Lee SH, Lee N, Yang J, Nam TG, Yoo M. Trapping mechanism by di-d-psicose anhydride with methylglyoxal for prevention of diabetic nephropathy. Carbohydr Res 2024; 540:109125. [PMID: 38703663 DOI: 10.1016/j.carres.2024.109125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 04/09/2024] [Accepted: 04/23/2024] [Indexed: 05/06/2024]
Abstract
Di-d-psicose anhydride (DPA), derived from functional rare saccharide as d-psicose, is investigated for its strong chelating ability. Methylglyoxal (MGO), an important precursor of advanced glycation end-products (AGEs), promotes obesity, and causes complications such as diabetic nephropathy. On mesangial cells, DPA can substantially reduce the negative effects of MGO. DPA effectively trapping MGO in mesangial cells. The bonding properties of the DPA-MGO adduct were discussed by mass spectrometry and nuclear magnetic resonance (NMR). The NMR spectra of the DPA-MGO adduct provide evidence for chelation bonding. The inhibition of AGE formation and the mass spectrometry results of the DPA-MGO adduct indicate that DPA can scavenge MGO at a molar ratio of 1:1. DPA suppressed 330 % of the up-regulated receptor for an AGEs protein expression to a normal level and restored the suppressed glyoxalase 1 level to 86 % of the normal group. This research provides important evidence and theoretical basis for the development of AGE inhibitors derived from rare saccharide.
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Affiliation(s)
- Young Sung Jung
- Korea Food Research Institute, Wanju-gun, 55365, Republic of Korea
| | - Hyoung-Geun Kim
- Graduate School of Biotechnology and Department of Oriental Medicinal Biotechnology, Kyung Hee University, Yongin, 17104, Republic of Korea
| | - Chi Heung Cho
- Korea Food Research Institute, Wanju-gun, 55365, Republic of Korea
| | - Sang-Hoon Lee
- Korea Food Research Institute, Wanju-gun, 55365, Republic of Korea
| | - Nari Lee
- Korea Food Research Institute, Wanju-gun, 55365, Republic of Korea
| | - Jaekyung Yang
- Food Biotech R&D Center, Samyang Corp., Seongnam, 13488, Republic of Korea
| | - Tae Gyu Nam
- Major of Food Science and Biotechnology, Division of Bio-convergence, Kyonggi University, Suwon, 16227, Republic of Korea
| | - Miyoung Yoo
- Korea Food Research Institute, Wanju-gun, 55365, Republic of Korea.
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5
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Reyer A, Bazihizina N, Jaślan J, Scherzer S, Schäfer N, Jaślan D, Becker D, Müller TD, Pommerrenig B, Neuhaus HE, Marten I, Hedrich R. Sugar beet PMT5a and STP13 carriers suitable for proton-driven plasma membrane sucrose and glucose import in taproots. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:2219-2232. [PMID: 38602250 DOI: 10.1111/tpj.16740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/26/2024] [Accepted: 03/18/2024] [Indexed: 04/12/2024]
Abstract
Sugar beet (Beta vulgaris) is the major sugar-producing crop in Europe and Northern America, as the taproot stores sucrose at a concentration of around 20%. Genome sequence analysis together with biochemical and electrophysiological approaches led to the identification and characterization of the TST sucrose transporter driving vacuolar sugar accumulation in the taproot. However, the sugar transporters mediating sucrose uptake across the plasma membrane of taproot parenchyma cells remained unknown. As with glucose, sucrose stimulation of taproot parenchyma cells caused inward proton fluxes and plasma membrane depolarization, indicating a sugar/proton symport mechanism. To decipher the nature of the corresponding proton-driven sugar transporters, we performed taproot transcriptomic profiling and identified the cold-induced PMT5a and STP13 transporters. When expressed in Xenopus laevis oocytes, BvPMT5a was characterized as a voltage- and H+-driven low-affinity glucose transporter, which does not transport sucrose. In contrast, BvSTP13 operated as a high-affinity H+/sugar symporter, transporting glucose better than sucrose, and being more cold-tolerant than BvPMT5a. Modeling of the BvSTP13 structure with bound mono- and disaccharides suggests plasticity of the binding cleft to accommodate the different saccharides. The identification of BvPMT5a and BvSTP13 as taproot sugar transporters could improve breeding of sugar beet to provide a sustainable energy crop.
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Affiliation(s)
- Antonella Reyer
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Nadia Bazihizina
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
- Department of Agrifood Production and Environmental Sciences, Università degli Studi di Firenze, Florence, 50019, Sesto Fiorentino, Italy
| | - Justyna Jaślan
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Sönke Scherzer
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Nadine Schäfer
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Dawid Jaślan
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
- Faculty of Medicine, Walther Straub Institute of Pharmacology and Toxicology, Ludwig Maximilians-Universität, 80336, Munich, Germany
| | - Dirk Becker
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Thomas D Müller
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Benjamin Pommerrenig
- Plant Physiology, University of Kaiserslautern, 67663, Kaiserslautern, Germany
- Julius Kühn Institute (JKI) - Federal Research Centre for Cultivated Plants, Institute for Resistance Research and Stress Tolerance, Quedlinburg, 06484, Germany
| | - H Ekkehard Neuhaus
- Plant Physiology, University of Kaiserslautern, 67663, Kaiserslautern, Germany
| | - Irene Marten
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
| | - Rainer Hedrich
- Department of Molecular Plant Physiology and Biophysics, Biocenter, Julius-Maximilians-Universität (JMU), Würzburg, 97082, Germany
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6
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Qin H, Yin W, Luo C, Liu L. The Identification, Characterization, and Functional Analysis of the Sugar Transporter Gene Family of the Rice False Smut Pathogen, Villosiclava virens. Int J Mol Sci 2024; 25:600. [PMID: 38203770 PMCID: PMC10779207 DOI: 10.3390/ijms25010600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 12/21/2023] [Accepted: 12/21/2023] [Indexed: 01/12/2024] Open
Abstract
False smut, caused by Villosiclava virens, is becoming increasingly serious in modern rice production systems, leading to yield losses and quality declines. Successful infection requires efficient acquisition of sucrose, abundant in rice panicles, as well as other sugars. Sugar transporters (STPs) may play an important role in this process. STPs belong to a major facilitator superfamily, which consists of large multigenic families necessary to partition sugars between fungal pathogens and their hosts. This study identified and characterized the STP family of V. viren, and further analyzed their gene functions to uncover their roles in interactions with rice. Through genome-wide and systematic bioinformatics analyses, 35 STPs were identified from V.virens and named from VvSTP1 to VvSTP35. Transmembrane domains, gene structures, and conserved motifs of VvSTPs have been identified and characterized through the bioinformatic analysis. In addition, a phylogenetic analysis revealed relationship between VvSTPs and STPs from the other three reference fungi. According to a qRT-PCR and RNA-sequencing analysis, VvSTP expression responded differently to different sole carbon sources and H2O2 treatments, and changed during the pathogenic process, suggesting that these proteins are involved in interactions with rice and potentially functional in pathogenesis. In total, 12 representative VvSTPs were knocked out through genetic recombination in order to analyze their roles in pathogenicity of V. virens. The knock-out mutants of VvSTPs showed little difference in mycelia growth and conidiation, indicating a single gene in this family cannot influence vegetative growth of V. virens. It is clear, however, that these mutants result in a change in infection efficiency in a different way, indicating that VvSTPs play an important role in the pathogenicity of virens. This study is expected to contribute to a better understanding of how host-derived sugars contribute to V. virens pathogenicity.
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Affiliation(s)
- Huimin Qin
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
| | - Weixiao Yin
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Chaoxi Luo
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Lianmeng Liu
- State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 311400, China;
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7
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Sun N, Liu Y, Xu T, Zhou X, Xu H, Zhang H, Zhan R, Wang L. Genome-wide analysis of sugar transporter genes in maize ( Zea mays L.): identification, characterization and their expression profiles during kernel development. PeerJ 2023; 11:e16423. [PMID: 38025667 PMCID: PMC10658905 DOI: 10.7717/peerj.16423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/18/2023] [Indexed: 12/01/2023] Open
Abstract
Sugar transporters (STs) play a crucial role in the development of maize kernels. However, very limited information about STs in maize is known. In this study, sixty-eight ZmST genes were identified from the maize genome and classified into eight major groups based on phylogenetic relationship. Gene structure analysis revealed that members within the same group shared similar exon numbers. Synteny analysis indicated that ZmSTs underwent 15 segmental duplication events under purifying selection. Three-dimensional structure of ZmSTs demonstrated the formation of a compact helix bundle composed of 8-13 trans-membrane domains. Various development-related cis-acting elements, enriched in promoter regions, were correlated with the transcriptional response of ZmSTs during kernel development. Transcriptional expression profiles exhibited expression diversity of various ZmST genes in roots, stems, leaves, tassels, cobs, embryos, endosperms and seeds tissues. During kernel development, the expression of 24 ZmST genes was significantly upregulated in the early stage of grain filling. This upregulation coincided with the sharply increased grain-filling rate observed in the early stage. Overall, our findings shed light on the characteristics of ZmST genes in maize and provide a foundation for further functional studies.
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Affiliation(s)
- Nan Sun
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd., Zhaoyuan, Shandong, China
| | - Yanfeng Liu
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd., Zhaoyuan, Shandong, China
| | - Tao Xu
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- College of Agriculture, Ludong University, Yantai, Shandong, China
| | - Xiaoyan Zhou
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- College of Agriculture, Ludong University, Yantai, Shandong, China
| | - Heyang Xu
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- College of Agriculture, Ludong University, Yantai, Shandong, China
| | - Hongxia Zhang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd., Zhaoyuan, Shandong, China
| | - Renhui Zhan
- School of Pharmacy, Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai, Shandong, China
| | - Limin Wang
- The Engineering Research Institute of Agriculture and Forestry, Ludong University, Yantai, Shandong, China
- Zhaoyuan Shenghui Agricultural Technology Development Co., Ltd., Zhaoyuan, Shandong, China
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8
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Khan A, Cheng J, Kitashova A, Fürtauer L, Nägele T, Picco C, Scholz-Starke J, Keller I, Neuhaus HE, Pommerrenig B. Vacuolar sugar transporter EARLY RESPONSE TO DEHYDRATION6-LIKE4 affects fructose signaling and plant growth. PLANT PHYSIOLOGY 2023; 193:2141-2163. [PMID: 37427783 DOI: 10.1093/plphys/kiad403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 06/02/2023] [Accepted: 06/11/2023] [Indexed: 07/11/2023]
Abstract
Regulation of intracellular sugar homeostasis is maintained by regulation of activities of sugar import and export proteins residing at the tonoplast. We show here that the EARLY RESPONSE TO DEHYDRATION6-LIKE4 (ERDL4) protein, a member of the monosaccharide transporter family, resides in the vacuolar membrane in Arabidopsis (Arabidopsis thaliana). Gene expression and subcellular fractionation studies indicated that ERDL4 participates in fructose allocation across the tonoplast. Overexpression of ERDL4 increased total sugar levels in leaves due to a concomitantly induced stimulation of TONOPLAST SUGAR TRANSPORTER 2 (TST2) expression, coding for the major vacuolar sugar loader. This conclusion is supported by the finding that tst1-2 knockout lines overexpressing ERDL4 lack increased cellular sugar levels. ERDL4 activity contributing to the coordination of cellular sugar homeostasis is also indicated by 2 further observations. First, ERDL4 and TST genes exhibit an opposite regulation during a diurnal rhythm, and second, the ERDL4 gene is markedly expressed during cold acclimation, representing a situation in which TST activity needs to be upregulated. Moreover, ERDL4-overexpressing plants show larger rosettes and roots, a delayed flowering time, and increased total seed yield. Consistently, erdl4 knockout plants show impaired cold acclimation and freezing tolerance along with reduced plant biomass. In summary, we show that modification of cytosolic fructose levels influences plant organ development and stress tolerance.
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Affiliation(s)
- Azkia Khan
- Plant Physiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich Straße 22, D-67653 Kaiserslautern, Germany
| | - Jintao Cheng
- College of Horticulture and Forestry Sciences, Huazhong Agricultural University and Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan 430070, China
| | - Anastasia Kitashova
- Plant Evolutionary Cell Biology, Faculty of Biology, Ludwig-Maximilians- Universität München, D-82152 Planegg-Martinsried, Germany
| | - Lisa Fürtauer
- Institute for Biology III, Unit of Plant Molecular Systems Biology, RWTH Aachen University, Aachen, Germany
| | - Thomas Nägele
- Plant Evolutionary Cell Biology, Faculty of Biology, Ludwig-Maximilians- Universität München, D-82152 Planegg-Martinsried, Germany
| | - Cristiana Picco
- Institute of Biophysics, Consiglio Nazionale delle Ricerche (CNR), Via De Marini 6, I-16149 Genova, Italy
| | - Joachim Scholz-Starke
- Institute of Biophysics, Consiglio Nazionale delle Ricerche (CNR), Via De Marini 6, I-16149 Genova, Italy
| | - Isabel Keller
- Plant Physiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich Straße 22, D-67653 Kaiserslautern, Germany
| | - H Ekkehard Neuhaus
- Plant Physiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich Straße 22, D-67653 Kaiserslautern, Germany
| | - Benjamin Pommerrenig
- Plant Physiology, RPTU Kaiserslautern-Landau, Paul-Ehrlich Straße 22, D-67653 Kaiserslautern, Germany
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9
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Chen J, Sun M, Xiao G, Shi R, Zhao C, Zhang Q, Yang S, Xuan Y. Starving the enemy: how plant and microbe compete for sugar on the border. FRONTIERS IN PLANT SCIENCE 2023; 14:1230254. [PMID: 37600180 PMCID: PMC10433384 DOI: 10.3389/fpls.2023.1230254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Accepted: 07/20/2023] [Indexed: 08/22/2023]
Abstract
As the primary energy source for a plant host and microbe to sustain life, sugar is generally exported by Sugars Will Eventually be Exported Transporters (SWEETs) to the host extracellular spaces or the apoplast. There, the host and microbes compete for hexose, sucrose, and other important nutrients. The host and microbial monosaccharide transporters (MSTs) and sucrose transporters (SUTs) play a key role in the "evolutionary arms race". The result of this competition hinges on the proportion of sugar distribution between the host and microbes. In some plants (such as Arabidopsis, corn, and rice) and their interacting pathogens, the key transporters responsible for sugar competition have been identified. However, the regulatory mechanisms of sugar transporters, especially in the microbes require further investigation. Here, the key transporters that are responsible for the sugar competition in the host and pathogen have been identified and the regulatory mechanisms of the sugar transport have been briefly analyzed. These data are of great significance to the increase of the sugar distribution in plants for improvement in the yield.
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Affiliation(s)
- Jingsheng Chen
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Miao Sun
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Guosheng Xiao
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Rujie Shi
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Chanjuan Zhao
- Chongqing Three Gorges Vocational College, Wanzhou, China
| | - Qianqian Zhang
- College of Biology and Food Engineering, Chongqing Three Gorges University, Wanzhou, China
| | - Shuo Yang
- College of Plant Protection, Shenyang Agricultural University, Shenyang, China
| | - Yuanhu Xuan
- College of Plant Protection, Shenyang Agricultural University, Shenyang, China
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10
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Koyamatsu D, Otsubo M, Ohira T, Sato MP, Suzuki-Masuko H, Shiota T, Takenaka Takano K, Ozeki M, Otsuka K, Ogura Y, Hayashi T, Watanabe M, Inaba T, Ito-Inaba Y. Molecular characterization of SrSTP14, a sugar transporter from thermogenic skunk cabbage, and its possible role in developing pollen. PHYSIOLOGIA PLANTARUM 2023; 175:e13957. [PMID: 37338180 DOI: 10.1111/ppl.13957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 06/21/2023]
Abstract
In floral thermogenesis, sugars play an important role not only as energy providers but also as growth and development facilitators. Yet, the mechanisms underlying sugar translocation and transport in thermogenic plants remain to be studied. Asian skunk cabbage (Symplocarpus renifolius) is a species that can produce durable and intense heat in its reproductive organ, the spadix. Significant morphological and developmental changes in the stamen are well-characterized in this plant. In this study, we focused on the sugar transporters (STPs), SrSTP1 and SrSTP14, whose genes were identified by RNA-seq as the upregulated STPs during thermogenesis. Real-time PCR confirmed that mRNA expression of both STP genes was increased from the pre-thermogenic to the thermogenic stage in the spadix, where it is predominantly expressed in the stamen. SrSTP1 and SrSTP14 complemented the growth defects of a hexose transporter-deficient yeast strain, EBY4000, on media containing 0.02, 0.2, and 2% (w/v) glucose and galactose. Using a recently developed transient expression system in skunk cabbage leaf protoplasts, we revealed that SrSTP1 and SrSTP14-GFP fusion proteins were mainly localized to the plasma membrane. To dig further into the functional analysis of SrSTPs, tissue-specific localization of SrSTPs was investigated by in situ hybridization. Using probes for SrSTP14, mRNA expression was observed in the microspores within the developing anther at the thermogenic female stage. These results indicate that SrSTP1 and SrSTP14 transport hexoses (e.g., glucose and galactose) at the plasma membrane and suggest that SrSTP14 may play a role in pollen development through the uptake of hexoses into pollen precursor cells.
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Affiliation(s)
- Daiki Koyamatsu
- Department of Agricultural and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Miyabi Otsubo
- Department of Agricultural and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Tomonori Ohira
- Department of Agricultural and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Mitsuhiko P Sato
- Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Japan
| | | | - Takuya Shiota
- Organization for Promotion of Tenure Track, University of Miyazaki, Miyazaki, Japan
- Frontier Science Research Center, University of Miyazaki, Miyazaki, Japan
| | - Kohei Takenaka Takano
- Natural Environment Division, Nagano Environmental Conservation Research Institute, Nagano, Japan
| | - Masaaki Ozeki
- Natural Environment Division, Nagano Environmental Conservation Research Institute, Nagano, Japan
| | - Koichi Otsuka
- Natural Environment Division, Nagano Environmental Conservation Research Institute, Nagano, Japan
| | - Yoshitoshi Ogura
- Division of Microbiology, Department of Infectious Medicine, Kurume University School of Medicine, Fukuoka, Japan
| | - Tetsuya Hayashi
- Department of Bacteriology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Masao Watanabe
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
| | - Takehito Inaba
- Department of Agricultural and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
| | - Yasuko Ito-Inaba
- Department of Agricultural and Environmental Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki, Japan
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
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11
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Zhou M, Deng X, Jiang Y, Zhou G, Chen J. Genome-Wide Identification and an Evolution Analysis of Tonoplast Monosaccharide Transporter ( TMT) Genes in Seven Gramineae Crops and Their Expression Profiling in Rice. Genes (Basel) 2023; 14:1140. [PMID: 37372320 DOI: 10.3390/genes14061140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The tonoplast monosaccharide transporter (TMT) family plays essential roles in sugar transport and plant growth. However, there is limited knowledge about the evolutionary dynamics of this important gene family in important Gramineae crops and putative function of rice TMT genes under external stresses. Here, the gene structural characteristics, chromosomal location, evolutionary relationship, and expression patterns of TMT genes were analyzed at a genome-wide scale. We identified six, three, six, six, four, six, and four TMT genes, respectively, in Brachypodium distachyon (Bd), Hordeum vulgare (Hv), Oryza rufipogon (Or), Oryza sativa ssp. japonica (Os), Sorghum bicolor (Sb), Setaria italica (Si), and Zea mays (Zm). All TMT proteins were divided into three clades based on the phylogenetic tree, gene structures, and protein motifs. The transcriptome data and qRT-PCR experiments suggested that each clade members had different expression patterns in various tissues and multiple reproductive tissues. In addition, the microarray datasets of rice indicated that different rice subspecies responded differently to the same intensity of salt or heat stress. The Fst value results indicated that the TMT gene family in rice was under different selection pressures in the process of rice subspecies differentiation and later selection breeding. Our findings pave the way for further insights into the evolutionary patterns of the TMT gene family in the important Gramineae crops and provide important references for characterizing the functions of rice TMT genes.
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Affiliation(s)
- Mingao Zhou
- Fujian Provincial Key Laboratory of Genetic Engineering for Agriculture, Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou 350003, China
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Xiaoxiao Deng
- The Institute of Subtropical Agriculture, The Chinese Academy of Sciences, Changsha 410125, China
| | - Yifei Jiang
- Fujian Provincial Key Laboratory of Genetic Engineering for Agriculture, Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou 350003, China
- State Key Laboratory of Hybrid Rice, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Guoning Zhou
- School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan 430074, China
| | - Jianmin Chen
- Fujian Provincial Key Laboratory of Genetic Engineering for Agriculture, Institute of Biotechnology, Fujian Academy of Agricultural Sciences, Fuzhou 350003, China
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12
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Valifard M, Fernie AR, Kitashova A, Nägele T, Schröder R, Meinert M, Pommerrenig B, Mehner-Breitfeld D, Witte CP, Brüser T, Keller I, Neuhaus HE. The novel chloroplast glucose transporter pGlcT2 affects adaptation to extended light periods. J Biol Chem 2023; 299:104741. [PMID: 37088133 DOI: 10.1016/j.jbc.2023.104741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/03/2023] [Accepted: 04/18/2023] [Indexed: 04/25/2023] Open
Abstract
Intracellular sugar compartmentation is critical in plant development and acclimation to challenging environmental conditions. Sugar transport proteins are present in plasma membranes and in membranes of organelles such as vacuoles, the Golgi apparatus, and plastids. However, there may exist other transport proteins with uncharacterized roles in sugar compartmentation. Here we report one such, a novel transporter of the Monosaccharide Transporter Family (MSF), the closest phylogenetic homolog of which is the chloroplast-localized glucose transporter pGlcT and that we therefore term plastidic glucose transporter 2 (pGlcT2). We show, using gene-complemented glucose uptake deficiency of an Escherichia coli ptsG/manXYZ mutant strain and biochemical characterization, that this protein specifically facilitates glucose transport, whereas other sugars do not serve as substrates. In addition, we demonstrate pGlcT2-GFP localized to the chloroplast envelope, and that pGlcT2 is mainly produced in seedlings and in the rosette center of mature Arabidopsis plants. Therefore, in conjunction with molecular and metabolic data, we propose pGlcT2 acts as a glucose importer that can limit cytosolic glucose availability in developing pGlcT2-overexpressing seedlings. Finally, we show both overexpression and deletion of pGlcT2 resulted in impaired growth efficiency under long day and continuous light conditions, suggesting pGlcT2 contributes to a release of glucose derived from starch mobilization late in the light phase. Together, these data indicate the facilitator pGlcT2 changes the direction in which it transports glucose during plant development and suggest the activity of pGlcT2 must be controlled spatially and temporarily in order to prevent developmental defects during adaptation to periods of extended light.
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Affiliation(s)
- Marzieh Valifard
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., 67653 Kaiserslautern, Germany
| | - Alisdair R Fernie
- Max Planck Institute for Molecular Plant Physiology, Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Anastasia Kitashova
- Ludwig Maximilians University Munich, Faculty of Biology, Plant Evolutionary Cell Biology, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
| | - Thomas Nägele
- Ludwig Maximilians University Munich, Faculty of Biology, Plant Evolutionary Cell Biology, Großhadernerstr. 2-4, 82152 Planegg-Martinsried, Germany
| | - Rebekka Schröder
- Leibniz University Hannover, Molecular Nutrition and Biochemistry of Plants, Herrenhäuser Str. 2, 30419 Hannover, Germany
| | - Melissa Meinert
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., 67653 Kaiserslautern, Germany
| | - Benjamin Pommerrenig
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., 67653 Kaiserslautern, Germany
| | - Denise Mehner-Breitfeld
- Leibniz University Hanover, Institute of Microbiology, Herrenhäuser Str. 2, 30419 Hannover, Germany
| | - Claus-Peter Witte
- Leibniz University Hannover, Molecular Nutrition and Biochemistry of Plants, Herrenhäuser Str. 2, 30419 Hannover, Germany
| | - Thomas Brüser
- Leibniz University Hanover, Institute of Microbiology, Herrenhäuser Str. 2, 30419 Hannover, Germany
| | - Isabel Keller
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., 67653 Kaiserslautern, Germany
| | - H Ekkehard Neuhaus
- Plant Physiology, University of Kaiserslautern, Erwin-Schrödinger-Str., 67653 Kaiserslautern, Germany.
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13
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Zhang L, Guo W, Lu Y, Zhou T, Wang Y, Tang X, Zhang J. Genome-wide characterization of the inositol transporters gene family in Populus and functional characterization of PtINT1b in response to salt stress. Int J Biol Macromol 2023; 228:197-206. [PMID: 36572075 DOI: 10.1016/j.ijbiomac.2022.12.233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/06/2022] [Accepted: 12/18/2022] [Indexed: 12/25/2022]
Abstract
Inositol transporters (INTs) can mediate the transmembrane transport of inositol, and play crucial roles in plant growth, development and stress resistance. However, the INT gene family in Populus has not been reported. Herein, nine INT genes were identified in the Populus trichocarpa genome and divided into three clades. Tandem duplication and whole-genome duplication events could induce the expansion of PtINT gene family. It was worth noting that PtINT1c* and 1d* formed by twice tandem gene duplication events of PtINT1b, but both had undergone partial structural loss during evolution. PtINT2_p1* and PtINT2_p2* might be originated from one INT2 gene by stop codon- and start codon-gain variants. Different members of PtINTs were localized to the plasma membrane or vacuolar membrane. PtINTs had diversified tissue expression profiles, and many members were significantly induced or suppressed after salt and drought treatments. PtINT1b was induced by drought and salinity stresses, and encoded a vacuolar inositol transporter. Overexpression of PtINT1b rendered the transgenic Arabidopsis plants more resistant to salt stress. In conclusion, this study provides valuable clues for future research on the function of PtINTs, and PtINT1b was identified as a candidate gene for genetic engineering to enhance salinity tolerance in plants.
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Affiliation(s)
- Li Zhang
- College of Agricultural and Biological Engineering, Heze Uninversity, Heze, Shandong 274015, China; State Key Laboratory of Subtropical Silviculture, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China.
| | - Wei Guo
- Taishan Academy of Forestry Sciences, Tai'an, Shandong 271000, China
| | - Yizeng Lu
- Shandong Provincial Center of Forest and Grass Germplasm Resources, Jinan, Shandong, China
| | - Tianhua Zhou
- College of Agricultural and Biological Engineering, Heze Uninversity, Heze, Shandong 274015, China
| | - Yilei Wang
- College of Agricultural and Biological Engineering, Heze Uninversity, Heze, Shandong 274015, China
| | - Xin Tang
- College of Agricultural and Biological Engineering, Heze Uninversity, Heze, Shandong 274015, China.
| | - Jin Zhang
- State Key Laboratory of Subtropical Silviculture, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China.
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14
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Smith EN, Ratcliffe RG, Kruger NJ. Isotopically non-stationary metabolic flux analysis of heterotrophic Arabidopsis thaliana cell cultures. FRONTIERS IN PLANT SCIENCE 2023; 13:1049559. [PMID: 36699846 PMCID: PMC9868915 DOI: 10.3389/fpls.2022.1049559] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Fluxes are the ultimate phenotype of metabolism and their accurate quantification is fundamental to any understanding of metabolic networks. Steady state metabolic flux analysis has been the method of choice for quantifying fluxes in heterotrophic cells, but it is unable to measure fluxes during short-lived metabolic states, such as a transient oxidative load. Isotopically non-stationary metabolic flux analysis (INST-MFA) can be performed over shorter timescales (minutes - hours) and might overcome this limitation. INST-MFA has recently been applied to photosynthesising leaves, but agriculturally important tissues such as roots and storage organs, or plants during the night are heterotrophic. Here we outline the application of INST-MFA to heterotrophic plant cells. Using INST-MFA we were able to identify changes in the fluxes supported by phosphoenolpyruvate carboxylase and malic enzyme under oxidative load, highlighting the potential of INST-MFA to measure fluxes during short-lived metabolic states. We discuss the challenges in applying INST-MFA, and highlight further development required before it can be routinely used to quantify fluxes in heterotrophic plant cells.
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Affiliation(s)
- Edward N. Smith
- Molecular Plant Biology, Department of Biology, University of Oxford, Oxford, United Kingdom
- Molecular Systems Biology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, Groningen, Netherlands
| | - R. George Ratcliffe
- Molecular Plant Biology, Department of Biology, University of Oxford, Oxford, United Kingdom
| | - Nicholas J. Kruger
- Molecular Plant Biology, Department of Biology, University of Oxford, Oxford, United Kingdom
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15
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Pearson SM, Griffiths AG, Maclean P, Larking AC, Hong SW, Jauregui R, Miller P, McKenzie CM, Lockhart PJ, Tate JA, Ford JL, Faville MJ. Outlier analyses and genome-wide association study identify glgC and ERD6-like 4 as candidate genes for foliar water-soluble carbohydrate accumulation in Trifolium repens. FRONTIERS IN PLANT SCIENCE 2023; 13:1095359. [PMID: 36699852 PMCID: PMC9868827 DOI: 10.3389/fpls.2022.1095359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Increasing water-soluble carbohydrate (WSC) content in white clover is important for improving nutritional quality and reducing environmental impacts from pastoral agriculture. Elucidation of genes responsible for foliar WSC variation would enhance genetic improvement by enabling molecular breeding approaches. The aim of the present study was to identify single nucleotide polymorphisms (SNPs) associated with variation in foliar WSC in white clover. A set of 935 white clover individuals, randomly sampled from five breeding pools selectively bred for divergent (low or high) WSC content, were assessed with 14,743 genotyping-by-sequencing SNPs, using three outlier detection methods: PCAdapt, BayeScan and KGD-FST. These analyses identified 33 SNPs as discriminating between high and low WSC populations and putatively under selection. One SNP was located in the intron of ERD6-like 4, a gene coding for a sugar transporter located on the vacuole membrane. A genome-wide association study using a subset of 605 white clover individuals and 5,757 SNPs, identified a further 12 SNPs, one of which was associated with a starch biosynthesis gene, glucose-1-phosphate adenylyltransferase, glgC. Our results provide insight into genomic regions underlying WSC accumulation in white clover, identify candidate genomic regions for further functional validation studies, and reveal valuable information for marker-assisted or genomic selection in white clover.
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Affiliation(s)
- Sofie M. Pearson
- School of Natural Sciences, Massey University, Palmerston North, New Zealand
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | | | - Paul Maclean
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | - Anna C. Larking
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | - S. Won Hong
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | - Ruy Jauregui
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | - Poppy Miller
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
| | | | - Peter J. Lockhart
- School of Natural Sciences, Massey University, Palmerston North, New Zealand
| | - Jennifer A. Tate
- School of Natural Sciences, Massey University, Palmerston North, New Zealand
| | - John L. Ford
- Grasslands, PGG Wrightson Seeds Limited, Palmerston North, New Zealand
| | - Marty J. Faville
- Resilient Agriculture, AgResearch Grasslands, Palmerston North, New Zealand
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16
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Xu W, Liu Z, Zhao Z, Zhang S, Li M, Guo D, Liu JH, Li C. The functional analysis of sugar transporter proteins in sugar accumulation and pollen tube growth in pummelo ( Citrus grandis). FRONTIERS IN PLANT SCIENCE 2023; 13:1106219. [PMID: 36684762 PMCID: PMC9846575 DOI: 10.3389/fpls.2022.1106219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 12/12/2022] [Indexed: 06/17/2023]
Abstract
Sugar transporter proteins (STPs) play vital roles in sugar transport and allocation of carbon sources in plants. However, the evolutionary dynamics of this important gene family and their functions are still largely unknown in citrus, which is the largest fruit crop in the world. In this study, fourteen non-redundant CgSTP family members were identified in pummelo (Citrus grandis). A comprehensive analysis based on the biochemical characteristics, the chromosomal location, the exon-intron structures and the evolutionary relationships demonstrated the conservation and the divergence of CgSTPs. Moreover, CgSTP4, 11, 13, 14 were proofed to be localized in plasma membrane and have glucose transport activity in yeast. The hexose content were significantly increased with the transient overexpression of CgSTP11 and CgSTP14. In addition, antisense repression of CgSTP4 induced the shorter pollen tube length in vitro, implying the potential role of CgSTP4 in pummelo pollen tube growth. Taken together, this work explored a framework for understanding the physiological role of CgSTPs and laid a foundation for future functional studies of these members in citrus species.
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Affiliation(s)
- Weiwei Xu
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Ziyan Liu
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Zeqi Zhao
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Shuhang Zhang
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Mengdi Li
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Dayong Guo
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Ji-Hong Liu
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Chunlong Li
- Key Laboratory of Horticultural Plant Biology Ministry of Education (MOE), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
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17
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Yang B, Wang J, Yu M, Zhang M, Zhong Y, Wang T, Liu P, Song W, Zhao H, Fastner A, Suter M, Rentsch D, Ludewig U, Jin W, Geiger D, Hedrich R, Braun DM, Koch KE, McCarty DR, Wu WH, Li X, Wang Y, Lai J. The sugar transporter ZmSUGCAR1 of the nitrate transporter 1/peptide transporter family is critical for maize grain filling. THE PLANT CELL 2022; 34:4232-4254. [PMID: 36047828 PMCID: PMC9614462 DOI: 10.1093/plcell/koac256] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 07/31/2022] [Indexed: 05/07/2023]
Abstract
Maternal-to-filial nutrition transfer is central to grain development and yield. nitrate transporter 1/peptide transporter (NRT1-PTR)-type transporters typically transport nitrate, peptides, and ions. Here, we report the identification of a maize (Zea mays) NRT1-PTR-type transporter that transports sucrose and glucose. The activity of this sugar transporter, named Sucrose and Glucose Carrier 1 (SUGCAR1), was systematically verified by tracer-labeled sugar uptake and serial electrophysiological studies including two-electrode voltage-clamp, non-invasive microelectrode ion flux estimation assays in Xenopus laevis oocytes and patch clamping in HEK293T cells. ZmSUGCAR1 is specifically expressed in the basal endosperm transfer layer and loss-of-function mutation of ZmSUGCAR1 caused significantly decreased sucrose and glucose contents and subsequent shrinkage of maize kernels. Notably, the ZmSUGCAR1 orthologs SbSUGCAR1 (from Sorghum bicolor) and TaSUGCAR1 (from Triticum aestivum) displayed similar sugar transport activities in oocytes, supporting the functional conservation of SUGCAR1 in closely related cereal species. Thus, the discovery of ZmSUGCAR1 uncovers a type of sugar transporter essential for grain development and opens potential avenues for genetic improvement of seed-filling and yield in maize and other grain crops.
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Affiliation(s)
- Bo Yang
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Jing Wang
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Miao Yu
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB), College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Meiling Zhang
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Yanting Zhong
- The Key Laboratory of Plant–Soil Interactions (MOE), Department of Plant Nutrition, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Tianyi Wang
- National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Peng Liu
- Plant Molecular and Cellular Biology Program, Horticultural Sciences Department, Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Weibin Song
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Haiming Zhao
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Astrid Fastner
- Institute of Plant Sciences, University of Bern, Bern 3013, Switzerland
| | - Marianne Suter
- Institute of Plant Sciences, University of Bern, Bern 3013, Switzerland
| | - Doris Rentsch
- Institute of Plant Sciences, University of Bern, Bern 3013, Switzerland
| | - Uwe Ludewig
- Institute of Crop Science, Nutritional Crop Physiology (340h), University of Hohenheim, Stuttgart 70593, Germany
| | - Weiwei Jin
- National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Dietmar Geiger
- Department of Molecular Plant Physiology and Biophysics, Julius-von-Sachs-Institute for Biosciences, University of Würzburg, Würzburg 97082, Germany
| | - Rainer Hedrich
- Department of Molecular Plant Physiology and Biophysics, Julius-von-Sachs-Institute for Biosciences, University of Würzburg, Würzburg 97082, Germany
| | - David M Braun
- Division of Biological Sciences, Interdisciplinary Plant Group, and Missouri Maize Center, University of Missouri, 116 Tucker Hall, Columbia, Missouri 65211, USA
| | - Karen E Koch
- Plant Molecular and Cellular Biology Program, Horticultural Sciences Department, Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Donald R McCarty
- Plant Molecular and Cellular Biology Program, Horticultural Sciences Department, Genetics Institute, University of Florida, Gainesville, Florida, USA
| | - Wei-Hua Wu
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB), College of Biological Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Xuexian Li
- The Key Laboratory of Plant–Soil Interactions (MOE), Department of Plant Nutrition, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Yi Wang
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB), College of Biological Sciences, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
| | - Jinsheng Lai
- State Key Laboratory of Plant Physiology and Biochemistry (SKLPPB) and National Maize Improvement Center, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
- Center for Crop Functional Genomics and Molecular Breeding, China Agricultural University, Beijing 100193, China
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18
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Fakher B, Jakada BH, Greaves JG, Wang L, Niu X, Cheng Y, Zheng P, Aslam M, Qin Y, Wang X. Identification and expression analysis of pineapple sugar transporters reveal their role in the development and environmental response. FRONTIERS IN PLANT SCIENCE 2022; 13:964897. [PMID: 36352877 PMCID: PMC9638087 DOI: 10.3389/fpls.2022.964897] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
In plants, sugars are required for several essential functions, including growth, storage, signaling, defense and reproduction. Sugar transporters carry out the controlled movement of sugars from source (leaves) to sink (fruits and roots) tissues and determine the overall development of the plant. Various types of sugar transporter families have been described in plants, including sucrose transporters (SUC/SUT), monosaccharide transporter (MST) and SWEET (from "Sugar Will Eventually be Exported Transporters"). However, the information about pineapple sugar transporters is minimal. This study systematically identified and classified 45 MST and 4 SUC/SUT genes in the pineapple genome. We found that the expression patterns of sugar transporter genes have a spatiotemporal expression in reproductive and vegetative tissues indicating their pivotal role in reproductive growth and development. Besides, different families of sugar transporters have a diel expression pattern in photosynthetic and non-photosynthetic tissues displaying circadian rhythm associated participation of sugar transporters in the CAM pathway. Moreover, regulation of the stress-related sugar transporters during cold stress indicates their contribution to cold tolerance in pineapple. Heterologous expression (yeast complementation assays) of sugar transporters in a mutant yeast strain suggested that SUT1/2 have the ability to transport sucrose, and STP13, STP26, pGlcT-L2 and TMT4 are able to transport glucose, whereas SWEET11/13 transport both sucrose and fructose. The information provided here would help researchers further explore the underlying molecular mechanism involved in the sugar metabolism of pineapple.
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Affiliation(s)
- Beenish Fakher
- Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning, China
| | - Bello Hassan Jakada
- Horticulture Research Institute, Guangxi Academy of Agricultural Sciences, Nanning Investigation Station of South Subtropical Fruit Trees, Ministry of Agriculture, Nanning, China
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Joseph G. Greaves
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lulu Wang
- Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning, China
| | - Xiaoping Niu
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yan Cheng
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ping Zheng
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mohammad Aslam
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yuan Qin
- Guangxi Key Lab of Sugarcane Biology, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Agriculture, Guangxi University, Nanning, China
- Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Education, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaomei Wang
- Horticulture Research Institute, Guangxi Academy of Agricultural Sciences, Nanning Investigation Station of South Subtropical Fruit Trees, Ministry of Agriculture, Nanning, China
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Feng MQ, Lu MD, Long JM, Yin ZP, Jiang N, Wang PB, Liu Y, Guo WW, Wu XM. miR156 regulates somatic embryogenesis by modulating starch accumulation in citrus. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:6170-6185. [PMID: 35661206 DOI: 10.1093/jxb/erac248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 06/02/2022] [Indexed: 05/17/2023]
Abstract
Somatic embryogenesis (SE) is a major regeneration approach for in vitro cultured tissues of plants, including citrus. However, SE capability is difficult to maintain, and recalcitrance to SE has become a major obstacle to plant biotechnology. We previously reported that miR156-SPL modules regulate SE in citrus callus. However, the downstream regulatory pathway of the miR156-SPL module in SE remains unclear. In this study, we found that transcription factors CsAGL15 and CsFUS3 bind to the CsMIR156A promoter and activate its expression. Suppression of csi-miR156a function leads to up-regulation of four target genes, SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (CsSPL) genes, and reduction of SE efficiency. In the short tandem target mimic (STTM)-miR156a overexpression callus (MIM156), the number of amyloplasts and starch content were significantly reduced, and genes involved in starch synthesis and transport were down-regulated. csi-miR172d was down-regulated, whereas the target genes, CsTOE1.1 and CsTOE1.2, which inhibit the expression of starch biosynthesis genes, were up-regulated. In our working model, CsAGL15 and CsFUS3 activate csi-miR156a, which represses CsSPLs and further regulates csi-miR172d and CsTOEs, thus altering starch accumulation in callus cells and regulating SE in citrus. This study elucidates the pathway of miR156-SPLs and miR172-TOEs-mediated regulation of SE, and provides new insights into enhancing SE capability in citrus.
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Affiliation(s)
- Meng-Qi Feng
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Meng-Di Lu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Jian-Mei Long
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Zhao-Ping Yin
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Nan Jiang
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Peng-Bo Wang
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Yue Liu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
| | - Wen-Wu Guo
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Xiao-Meng Wu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China
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20
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Huai B, Yuan P, Ma X, Zhang X, Jiang L, Zheng P, Yao M, Chen Z, Chen L, Shen Q, Kang Z, Liu J. Sugar transporter TaSTP3 activation by TaWRKY19/61/82 enhances stripe rust susceptibility in wheat. THE NEW PHYTOLOGIST 2022; 236:266-282. [PMID: 35729085 DOI: 10.1111/nph.18331] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 06/14/2022] [Indexed: 06/15/2023]
Abstract
Sugar efflux from host plants is essential for pathogen survival and proliferation. Sugar transporter-mediated redistribution of host sugar contributes to the outcomes of plant-pathogen interactions. However, few studies have focused on how sugar translocation is strategically manipulated during host colonization. To elucidate this question, the wheat sugar transport protein (STP) TaSTP3 responding to Puccinia striiformis f. sp. tritici (Pst) infection was characterized for sugar transport properties in Saccharomyces cerevisiae and its potential role during Pst infection by RNA interference and overexpression in wheat. In addition, the transcription factors regulating TaSTP3 expression were further determined. The results showed that TaSTP3 is localized to the plasma membrane and functions as a sugar transporter of hexose and sucrose. TaSTP3 confers enhanced wheat susceptibility to Pst, and overexpression of TaSTP3 resulted in increased sucrose accumulation and transcriptional suppression of defense-related genes. Furthermore, TaWRKY19, TaWRKY61 and TaWRKY82 were identified as positive transcriptional regulators of TaSTP3 expression. Our findings reveal that the Pst-induced sugar transporter TaSTP3 is transcriptionally activated by TaWRKY19/61/82 and facilitates wheat susceptibility to stripe rust possibly through elevated sucrose concentration, and suggest TaSTP3 as a strong target for engineering wheat resistance to stripe rust.
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Affiliation(s)
- Baoyu Huai
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Key Laboratory of Biology and Sustainable Management of Plant Disease and Pests of Anhui Higher Education Institutes, College of Plant Protection, Anhui Agricultural University, Hefei, Anhui, 230036, China
| | - Pu Yuan
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiaoxuan Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xiurui Zhang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Lihua Jiang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Peijing Zheng
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Mohan Yao
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Ziyu Chen
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Liyang Chen
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Smart Genomics Corp., Tianjin, 301700, China
| | - Qianhua Shen
- State Key Laboratory of Plant Cell and Chromosome Engineering, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Pioneering Innovation Center for Wheat Stress Tolerance Improvement, State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, Shaanxi, 712100, China
- Yangling Seed Industry Innovation Center, Yangling, Shaanxi, 712100, China
| | - Jie Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Pioneering Innovation Center for Wheat Stress Tolerance Improvement, State Key Laboratory of Crop Stress Biology for Arid Areas, Yangling, Shaanxi, 712100, China
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21
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Xu X, Zeng W, Li Z, Wang Z, Luo Z, Li J, Li X, Yang J. Genome-wide identification and expression profiling of sugar transporter genes in tobacco. Gene 2022; 835:146652. [PMID: 35714802 DOI: 10.1016/j.gene.2022.146652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 06/02/2022] [Indexed: 11/28/2022]
Abstract
Sugars are both nutrients and important signal molecules in higher plants. Sugar transporters (STs) are involved in sugar loading and unloading and facilitate sugar transport across membranes. Tobacco (Nicotiana tabacum) is a model plant and one of the most significant plants economically. In our research, 92 N. tabacum ST (NtST) genes were identified and classified into eight distinct subfamilies in the tobacco genome based on phylogenetic analysis. Exon-intron analysis revealed that each subfamily manifested closely associated gene architectural features based on a comparable number or length of exons. Tandem repetition and purifying selection were the main factors of NtST gene evolution. A search for cis-regulatory elements in the promoter sequences of the NtST gene families suggested that they are probably regulated by light, plant hormones, and abiotic stress factors. We performed a comprehensive expression study in different tissues, viarious abiotic and phytohormone stresses. The results revealed different expression patterns and the functional diversification of NtST genes. The resulting data showed that NtSFP1 was highly expressed all measured five tobacco tissues, and also regulated by the MeJA, and temperature stress. In addition, the virus-induced NibenSFP1 silencing in tobacco and detected dramatically enhanced glucose content, indicating the NtSFP1 might regulate the glucose content and involved in MeJA signaling way to response the temperature stress. In general, our findings provide useful information on understanding the roles of STs in phytohormone signaling way and abiotic stresses in N. tabacum.
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Affiliation(s)
- Xin Xu
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Wanli Zeng
- Technology Center of Yunnan China Tobacco Industry Company, Kunming 650000, China
| | - Zefeng Li
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Zhong Wang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Zhaopeng Luo
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China
| | - Jing Li
- Technology Center of Yunnan China Tobacco Industry Company, Kunming 650000, China
| | - Xuemei Li
- Technology Center of Yunnan China Tobacco Industry Company, Kunming 650000, China.
| | - Jun Yang
- China Tobacco Gene Research Center, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou 450001, China.
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22
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Liu T, Bao C, Ban Q, Wang C, Hu T, Wang J. Genome-wide identification of sugar transporter gene family in Brassicaceae crops and an expression analysis in the radish. BMC PLANT BIOLOGY 2022; 22:245. [PMID: 35585498 PMCID: PMC9115943 DOI: 10.1186/s12870-022-03629-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/03/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Sugar not only is an important biomacromolecule that plays important roles in plant growth, development, and biotic and abiotic stress tolerance but also provides a skeleton for other macromolecules, such as proteins and nucleic acids. Sugar transporter proteins (STPs) play essential roles in plant sugar transport and ultimately affect the abovementioned life processes. However, the evolutionary dynamics of this important gene family in Brassicaceae crops are still largely unknown, and the functional differentiation of radish STP genes remains unclear. RESULTS In the present study, a comparative genomic study of STP genes in five representative Brassicaceae crops was conducted, and a total of 25, 25, 28, 36 and 49 STP genes were individually identified in Raphanus sativus (Rs), Brassica oleracea (Bo), B. rapa (Br), B. napus (Bn) and B. juncea (Bj), which were divided into four clades by phylogenetic analysis. The number of STP genes was no direct correlation with genome size and the total number of coding genes in Brassicaceae crops, and their physical and chemical properties showed no significant difference. Expression analysis showed that radish STP genes play vital roles not only in flower and seedpod development but also under heavy metal (cadmium, chromium and lead), NaCl and PEG-6000 stresses, Agrobacterium tumefaciens infection, and exogenous sugar treatment. RsSTP13.2 was significantly upregulated in the resistant radish cultivar by A. tumefaciens infection and induced by heavy metal, NaCl and PEG-6000 stress, indicating that it is involved in resistance to both biotic and abiotic stress in radish. CONCLUSIONS The present study provides insights into the evolutionary patterns of the STP gene family in Brassicaceae genomes and provides a theoretical basis for future functional analysis of STP genes in Brassicaceae crops.
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Affiliation(s)
- Tongjin Liu
- College of Horticulture, Jinling Institute of Technology, Nanjing, 210038 China
| | - Chonglai Bao
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021 China
| | - Qiuyan Ban
- College of Horticulture, Jinling Institute of Technology, Nanjing, 210038 China
| | - Changyi Wang
- College of Horticulture, Jinling Institute of Technology, Nanjing, 210038 China
| | - Tianhua Hu
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021 China
| | - Jinglei Wang
- Institute of Vegetable, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021 China
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23
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Wang J, Yu YC, Li Y, Chen LQ. Hexose transporter SWEET5 confers galactose sensitivity to Arabidopsis pollen germination via a galactokinase. PLANT PHYSIOLOGY 2022; 189:388-401. [PMID: 35188197 PMCID: PMC9070816 DOI: 10.1093/plphys/kiac068] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/15/2022] [Indexed: 05/12/2023]
Abstract
Galactose is an abundant and essential sugar used for the biosynthesis of many macromolecules in different organisms, including plants. Galactose metabolism is tightly and finely controlled, since excess galactose and its derivatives are inhibitory to plant growth. In Arabidopsis (Arabidopsis thaliana), root growth and pollen germination are strongly inhibited by excess galactose. However, the mechanism of galactose-induced inhibition during pollen germination remains obscure. In this study, we characterized a plasma membrane-localized transporter, Arabidopsis Sugars Will Eventually be Exported Transporter 5, that transports glucose and galactose. SWEET5 protein levels started to accumulate at the tricellular stage of pollen development and peaked in mature pollen, before rapidly declining after pollen germinated. SWEET5 levels are responsible for the dosage-dependent sensitivity to galactose, and galactokinase is essential for these inhibitory effects during pollen germination. However, sugar measurement results indicate that galactose flux dynamics and sugar metabolism, rather than the steady-state galactose level, may explain phenotypic differences between sweet5 and Col-0 in galactose inhibition of pollen germination.
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Affiliation(s)
- Jiang Wang
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801, USA
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA
| | - Ya-Chi Yu
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, Illinois, 61801, USA
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Integrative Physiological and Transcriptomic Analysis Reveals the Transition Mechanism of Sugar Phloem Unloading Route in Camellia oleifera Fruit. Int J Mol Sci 2022; 23:ijms23094590. [PMID: 35562980 PMCID: PMC9102078 DOI: 10.3390/ijms23094590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 11/17/2022] Open
Abstract
Sucrose phloem unloading plays a vital role in photoassimilate distribution and storage in sink organs such as fruits and seeds. In most plants, the phloem unloading route was reported to shift between an apoplasmic and a symplasmic pattern with fruit development. However, the molecular transition mechanisms of the phloem unloading pathway still remain largely unknown. In this study, we applied RNA sequencing to profile the specific gene expression patterns for sucrose unloading in C. oleifera fruits in the apo- and symplasmic pathways that were discerned by CF fluoresce labelling. Several key structural genes were identified that participate in phloem unloading, such as PDBG11, PDBG14, SUT8, CWIN4, and CALS10. In particular, the key genes controlling the process were involved in callose metabolism, which was confirmed by callose staining. Based on the co-expression network analysis with key structural genes, a number of transcription factors belonging to the MYB, C2C2, NAC, WRKY, and AP2/ERF families were identified to be candidate regulators for the operation and transition of phloem unloading. KEGG enrichment analysis showed that some important metabolism pathways such as plant hormone metabolism, starch, and sucrose metabolism altered with the change of the sugar unloading pattern. Our study provides innovative insights into the different mechanisms responsible for apo- and symplasmic phloem unloading in oil tea fruit and represents an important step towards the omics delineation of sucrose phloem unloading transition in crops.
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25
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Wen S, Neuhaus HE, Cheng J, Bie Z. Contributions of sugar transporters to crop yield and fruit quality. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2275-2289. [PMID: 35139196 DOI: 10.1093/jxb/erac043] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 02/04/2022] [Indexed: 05/09/2023]
Abstract
The flux, distribution, and storage of soluble sugars regulate crop yield in terms of starch, oil, protein, and total carbohydrates, and affect the quality of many horticultural products. Sugar transporters contribute to phloem loading and unloading. The mechanisms of phloem loading have been studied in detail, but the complex and diverse mechanisms of phloem unloading and sugar storage in sink organs are less explored. Unloading and subsequent transport mechanisms for carbohydrates vary in different sink organs. Analyzing the transport and storage mechanisms of carbohydrates in important storage organs, such as cereal seeds, fruits, or stems of sugarcane, will provide information for genetic improvements to increase crop yield and fruit quality. This review discusses current research progress on sugar transporters involved in carbohydrate unloading and storage in sink organs. The roles of sugar transporters in crop yield and the accumulation of sugars are also discussed to highlight their contribution to efficient breeding.
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Affiliation(s)
- Suying Wen
- College of Horticulture and Forestry Sciences, Huazhong Agricultural University and Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan, 430070, PR China
| | - H Ekkehard Neuhaus
- Plant Physiology, University of Kaiserslautern, D-67653 Kaiserslautern, Germany
| | - Jintao Cheng
- College of Horticulture and Forestry Sciences, Huazhong Agricultural University and Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan, 430070, PR China
| | - Zhilong Bie
- College of Horticulture and Forestry Sciences, Huazhong Agricultural University and Key Laboratory of Horticultural Plant Biology, Ministry of Education, Wuhan, 430070, PR China
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26
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Zeng Z, Lyu T, Jia X, Chen Y, Lyu Y. Expression Patterns of Sugar Transporter Genes in the Allocation of Assimilates and Abiotic Stress in Lily. Int J Mol Sci 2022; 23:ijms23084319. [PMID: 35457135 PMCID: PMC9029133 DOI: 10.3390/ijms23084319] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 02/05/2023] Open
Abstract
During the growth cycle of lilies, assimilates undergo a process of accumulation, consumption and reaccumulation in bulbs and are transported and allocated between aboveground and underground organs and tissues. The sink-source relationship changes with the allocation of assimilates, affecting the vegetative growth and morphological establishment of lilies. In this study, the carbohydrate contents in different tissues of five critical stages during lily development were measured to observe the assimilates allocation. The results showed bulbs acted as the main source to provide energy before the budding stage (S3); after the flowering stage (S4), bulbs began to accumulate assimilates as a sink organ again. During the period when the plant height was 30cm with leaf-spread (S2), leaves mainly accumulated assimilates from bulbs through the symplastic pathway, while when leaves were fully expanded, it transformed to export carbohydrates. At the S4 stage, flowers became a new active sink with assimilates influx. To further understand the allocation of assimilates, 16 genes related to sugar transport and metabolism (ST genes) were identified and categorized into different subfamilies based on the phylogenetic analysis, and their protein physicochemical properties were also predicted. Tissue-specific analysis showed that most of the genes were highly expressed in stems and petals, and it was mainly the MST (monosaccharide transporter) genes that were obviously expressed in petals during the S4 stage, suggesting that they may be associated with the accumulation of carbohydrates in flowers and thus affect flower development process. LoSWEET14 (the Sugar will eventually be exported transporters) was significantly correlated with starch in scales and with soluble sugar in leaves. Sugar transporters LoHXT6 and LoSUT1 were significantly correlated with soluble sugar and sucrose in leaves, suggesting that these genes may play key roles in the accumulation and transportation of assimilates in lilies. In addition, we analyzed the expression patterns of ST genes under different abiotic stresses, and the results showed that all genes were significantly upregulated. This study lays a solid foundation for further research on molecular mechanism of sink-source change and response to abiotic stresses in lilies.
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Affiliation(s)
- Zhen Zeng
- Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, China National Engineering Research Center for Floriculture, College of Landscape Architecture, Beijing Forestry University, Beijing 100083, China; (Z.Z.); (X.J.); (Y.C.)
| | - Tong Lyu
- Beijing Flower Engineering Technology Research Center, Plant Institute, Management Department of Beijing Botanical Garden, Beijing 100094, China;
| | - Xin Jia
- Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, China National Engineering Research Center for Floriculture, College of Landscape Architecture, Beijing Forestry University, Beijing 100083, China; (Z.Z.); (X.J.); (Y.C.)
| | - Yue Chen
- Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, China National Engineering Research Center for Floriculture, College of Landscape Architecture, Beijing Forestry University, Beijing 100083, China; (Z.Z.); (X.J.); (Y.C.)
| | - Yingmin Lyu
- Beijing Key Laboratory of Ornamental Plants Germplasm Innovation & Molecular Breeding, China National Engineering Research Center for Floriculture, College of Landscape Architecture, Beijing Forestry University, Beijing 100083, China; (Z.Z.); (X.J.); (Y.C.)
- Correspondence:
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27
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Gautam T, Dutta M, Jaiswal V, Zinta G, Gahlaut V, Kumar S. Emerging Roles of SWEET Sugar Transporters in Plant Development and Abiotic Stress Responses. Cells 2022; 11:cells11081303. [PMID: 35455982 PMCID: PMC9031177 DOI: 10.3390/cells11081303] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 03/23/2022] [Accepted: 03/25/2022] [Indexed: 02/01/2023] Open
Abstract
Sugars are the major source of energy in living organisms and play important roles in osmotic regulation, cell signaling and energy storage. SWEETs (Sugars Will Eventually be Exported Transporters) are the most recent family of sugar transporters that function as uniporters, facilitating the diffusion of sugar molecules across cell membranes. In plants, SWEETs play roles in multiple physiological processes including phloem loading, senescence, pollen nutrition, grain filling, nectar secretion, abiotic (drought, heat, cold, and salinity) and biotic stress regulation. In this review, we summarized the role of SWEET transporters in plant development and abiotic stress. The gene expression dynamics of various SWEET transporters under various abiotic stresses in different plant species are also discussed. Finally, we discuss the utilization of genome editing tools (TALENs and CRISPR/Cas9) to engineer SWEET genes that can facilitate trait improvement. Overall, recent advancements on SWEETs are highlighted, which could be used for crop trait improvement and abiotic stress tolerance.
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Affiliation(s)
- Tinku Gautam
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut 250004, India;
| | - Madhushree Dutta
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, India; (M.D.); (V.J.); (G.Z.); (S.K.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Vandana Jaiswal
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, India; (M.D.); (V.J.); (G.Z.); (S.K.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Gaurav Zinta
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, India; (M.D.); (V.J.); (G.Z.); (S.K.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Vijay Gahlaut
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, India; (M.D.); (V.J.); (G.Z.); (S.K.)
- Correspondence:
| | - Sanjay Kumar
- Biotechnology Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176061, India; (M.D.); (V.J.); (G.Z.); (S.K.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Zhang C, Chang W, Li X, Yang B, Zhang L, Xiao Z, Li J, Lu K. Transcriptome and Small RNA Sequencing Reveal the Mechanisms Regulating Harvest Index in Brassica napus. FRONTIERS IN PLANT SCIENCE 2022; 13:855486. [PMID: 35444672 PMCID: PMC9014204 DOI: 10.3389/fpls.2022.855486] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 02/22/2022] [Indexed: 06/14/2023]
Abstract
Harvest index (HI), the ratio of harvested seed weight to total aboveground biomass weight, is an economically critical value reflecting the convergence of complex agronomic traits. HI values in rapeseed (Brassica napus) remain much lower than in other major crops, and the underlying regulatory network is largely unknown. In this study, we performed mRNA and small RNA sequencing to reveal the mechanisms shaping HI in B. napus during the seed-filling stage. A total of 8,410 differentially expressed genes (DEGs) between high-HI and low-HI accessions in four tissues (silique pericarp, seed, leaves, and stem) were identified. Combining with co-expression network, 72 gene modules were identified, and a key gene BnaSTY46 was found to participate in retarded establishment of photosynthetic capacity to influence HI. Further research found that the genes involved in circadian rhythms and response to stimulus may play important roles in HI and that their transcript levels were modulated by differentially expressed microRNAs (DEMs), and we identified 903 microRNAs (miRNAs), including 46 known miRNAs and 857 novel miRNAs. Furthermore, transporter activity-related genes were critical to enhancing HI in good cultivation environments. Of 903 miRNAs, we found that the bna-miR396-Bna.A06SRp34a/Bna.A01EMB3119 pair may control the seed development and the accumulation of storage compounds, thus contributing to higher HI. Our findings uncovered the underlying complex regulatory network behind HI and offer potential approaches to rapeseed improvement.
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Affiliation(s)
- Chao Zhang
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
- Oil Research Institute of Guizhou Province, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Wei Chang
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Xiaodong Li
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Bo Yang
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Liyuan Zhang
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Zhongchun Xiao
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
| | - Jiana Li
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
- Engineering Research Center of South Upland Agriculture, Ministry of Education, Chongqing, China
| | - Kun Lu
- Chongqing Rapeseed Engineering Research Center, College of Agronomy and Biotechnology, Southwest University, Chongqing, China
- Academy of Agricultural Sciences, Southwest University, Chongqing, China
- Engineering Research Center of South Upland Agriculture, Ministry of Education, Chongqing, China
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Salvi P, Agarrwal R, Gandass N, Manna M, Kaur H, Deshmukh R. Sugar transporters and their molecular tradeoffs during abiotic stress responses in plants. PHYSIOLOGIA PLANTARUM 2022; 174:e13652. [PMID: 35174495 DOI: 10.1111/ppl.13652] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/25/2022] [Accepted: 02/14/2022] [Indexed: 06/14/2023]
Abstract
Sugars as photosynthates are well known as energy providers and as building blocks of various structural components of plant cells, tissues and organs. Additionally, as a part of various sugar signaling pathways, they interact with other cellular machinery and influence many important cellular decisions in plants. Sugar signaling is further reliant on the differential distribution of sugars throughout the plant system. The distribution of sugars from source to sink tissues or within organelles of plant cells is a highly regulated process facilitated by various sugar transporters located in plasma membranes and organelle membranes, respectively. Sugar distribution, as well as signaling, is impacted during unfavorable environments such as extreme temperatures, salt, nutrient scarcity, or drought. Here, we have discussed the mechanism of sugar transport via various types of sugar transporters as well as their differential response during environmental stress exposure. The functional involvement of sugar transporters in plant's abiotic stress tolerance is also discussed. Besides, we have also highlighted the challenges in engineering sugar transporter proteins as well as the undeciphered modules associated with sugar transporters in plants. Thus, this review provides a comprehensive discussion on the role and regulation of sugar transporters during abiotic stresses and enables us to target the candidate sugar transporter(s) for crop improvement to develop climate-resilient crops.
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Affiliation(s)
- Prafull Salvi
- Department of Agriculture Biotechnology, National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | | | - Nishu Gandass
- Department of Agriculture Biotechnology, National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | - Mrinalini Manna
- National Institute of Plant Genome Research, New Delhi, India
| | - Harmeet Kaur
- ICAR-National Institute for Plant Biotechnology, New Delhi, India
| | - Rupesh Deshmukh
- Department of Agriculture Biotechnology, National Agri-Food Biotechnology Institute, Mohali, Punjab, India
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Zhang H, Rutherford S, Qi S, Huang P, Dai Z, Du D. Transcriptome profiling of Arabidopsis thaliana roots in response to allelopathic effects of Conyza canadensis. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:53-63. [PMID: 34647200 DOI: 10.1007/s10646-021-02489-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/27/2021] [Indexed: 06/13/2023]
Abstract
The molecular mechanisms underlying allelopathy and their role in the interactions between invasive weeds and native species remain unclear. In this study, we aimed to explore the physiological and molecular response of plant roots of a native species to allelopathy from an invasive weed. We examined the growth and development of roots of native Arabidopsis thaliana for a 2-week period after being treated with aqueous extracts at different concentrations from invasive Conyza canadensis. Extracts with higher concentration in the Murashige and Skoog (MS) media (i.e., 4 mg of extract/mL of MS) significantly affected the root growth of A. thaliana. Roots of A. thaliana displayed weakened root tip activity and an accumulation of reactive oxygen species (ROS) in response to extracts from C. canadensis. The transcriptome analysis of A. thaliana roots exposed to phytotoxicity revealed differentially expressed genes (DEGs) involved in cell wall formation, abiotic stress, transporter genes and signal transduction. We found that genes associated with nutrient transport, such as major facilitator superfamily (MFS) and amino acid permease (AAP3) transporters as well as genes involved in stress response, including leucine-rich repeat receptor-like protein kinases (LRR-RLKs) were down-regulated. In addition, we found that many transcription factors associated with plant stress (such as APETALA2/ethylene response factors) were up-regulated while others (e.g., zinc-finger proteins) were down-regulated. Allelochemicals from C. canadensis also induced the up-regulation of detoxification (DTX) genes, ROS related genes, calcineurin B-like interacting protein kinases (CIPKs) and calmodulin. Overall, our findings provided insights into allelopathy in C. canadensis at the molecular level, and contributes to our understanding of invasion mechanisms of alien plant species. CLINICAL TRIALS REGISTRATION: This study does not contain any studies with clinical trials performed by any of the authors.
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Affiliation(s)
- Haiyan Zhang
- Institute of Environment and Ecology, School of the Environment Safety Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China
- Changzhou Environmental Monitoring Center, Puqian Street 149, Changzhou, 213000, PR China
| | - Susan Rutherford
- Institute of Environment and Ecology, School of the Environment Safety Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China
- The Royal Botanic Gardens and Domain Trust, MrsMacquaries Road, Sydney, NSW, 2000, Australia
| | - Shanshan Qi
- Institute of Agricultural Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China
| | - Ping Huang
- Institute of Environment and Ecology, School of the Environment Safety Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China
| | - Zhicong Dai
- Institute of Environment and Ecology, School of the Environment Safety Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China.
- Institute of Agricultural Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China.
| | - Daolin Du
- Institute of Environment and Ecology, School of the Environment Safety Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China.
- Institute of Agricultural Engineering, Jiangsu University, Xuefu Road 301, Zhenjiang, 212013, PR China.
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou, 215009, PR China.
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Seidi F, Yazdi MK, Jouyandeh M, Habibzadeh S, Munir MT, Vahabi H, Bagheri B, Rabiee N, Zarrintaj P, Saeb MR. Crystalline polysaccharides: A review. Carbohydr Polym 2022; 275:118624. [PMID: 34742405 DOI: 10.1016/j.carbpol.2021.118624] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 08/26/2021] [Accepted: 08/26/2021] [Indexed: 12/12/2022]
Abstract
The biodegradability and mechanical properties of polysaccharides are dependent on their architecture (linear or branched) as well as their crystallinity (size of crystals and crystallinity percent). The amount of crystalline zones in the polysaccharide significantly governs their ultimate properties and applications (from packaging to biomedicine). Although synthesis, characterization, and properties of polysaccharides have been the subject of several review papers, the effects of crystallization kinetics and crystalline domains on the properties and application have not been comprehensively addressed. This review places focus on different aspects of crystallization of polysaccharides as well as applications of crystalline polysaccharides. Crystallization of cellulose, chitin, chitosan, and starch, as the main members of this family, were discussed. Then, application of the aforementioned crystalline polysaccharides and nano-polysaccharides as well as their physical and chemical interactions were overviewed. This review attempts to provide a complete picture of crystallization-property relationship in polysaccharides.
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Affiliation(s)
- Farzad Seidi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing 210037, China
| | - Mohsen Khodadadi Yazdi
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Maryam Jouyandeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Sajjad Habibzadeh
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | | | - Henri Vahabi
- Université de Lorraine, CentraleSupélec, LMOPS, F-57000 Metz, France
| | - Babak Bagheri
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Republic of Korea
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, United States
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland.
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Meena V, Sharma S, Kaur G, Singh B, Pandey AK. Diverse Functions of Plant Zinc-Induced Facilitator-like Transporter for Their Emerging Roles in Crop Trait Enhancement. PLANTS 2021; 11:plants11010102. [PMID: 35009105 PMCID: PMC8747725 DOI: 10.3390/plants11010102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/03/2021] [Accepted: 12/09/2021] [Indexed: 11/16/2022]
Abstract
The major facilitator superfamily (MFS) is a large and diverse group of secondary transporters found across all kingdoms of life. Zinc-induced facilitator-like (ZIFL) transporters are the MFS family members that function as exporters driven by the antiporter-dependent processes. The presence of multiple ZIFL transporters was shown in various plant species, as well as in bryophytes. However, only a few ZIFLs have been functionally characterized in plants, and their localization has been suggested to be either on tonoplast or at the plasma membrane. A subset of the plant ZIFLs were eventually characterized as transporters due to their specialized role in phytosiderophores efflux and auxin homeostasis, and they were also proven to impart tolerance to micronutrient deficiency. The emerging functions of ZIFL proteins highlight their role in addressing important traits in crop species. This review aims to provide insight into and discuss the importance of plant ZIFL in various tissue-specific functions. Furthermore, a spotlight is placed on their role in mobilizing essential micronutrients, including iron and zinc, from the rhizosphere to support plant survival. In conclusion, in this paper, we discuss the functional redundancy of ZIFL transporters to understand their roles in developing specific traits in crop.
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Affiliation(s)
- Varsha Meena
- Department of Biotechnology, National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar 140306, India; (V.M.); (S.S.); (G.K.)
- Regional Centre for Biotechnology, Faridabad 121001, India
| | - Shivani Sharma
- Department of Biotechnology, National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar 140306, India; (V.M.); (S.S.); (G.K.)
| | - Gazaldeep Kaur
- Department of Biotechnology, National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar 140306, India; (V.M.); (S.S.); (G.K.)
| | - Bhupinder Singh
- Centre for Environment Science and Climate Resilient Agriculture, ICAR-IARI, New Delhi 110002, India;
| | - Ajay Kumar Pandey
- Department of Biotechnology, National Agri-Food Biotechnology Institute, Sector 81, Sahibzada Ajit Singh Nagar 140306, India; (V.M.); (S.S.); (G.K.)
- Correspondence: or ; Tel.: +91-1724990124
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Kang JN, Kim JS, Lee SM, Won SY, Seo MS, Kwon SJ. Analysis of Phenotypic Characteristics and Sucrose Metabolism in the Roots of Raphanus sativus L. FRONTIERS IN PLANT SCIENCE 2021; 12:716782. [PMID: 34745157 PMCID: PMC8566945 DOI: 10.3389/fpls.2021.716782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 10/04/2021] [Indexed: 05/17/2023]
Abstract
The taproot of radish (Raphanus sativus L.) is an important sink organ; it is morphologically diverse and contains large amounts of secondary metabolites. Sucrose metabolism is believed to be important in the development of sink organs. We measured the amounts of glucose, fructose, and sucrose in the roots of sixty three radish accessions and analyzed the association between the sugar content and the root phenotype. Fructose content correlated with the root color and length characteristics, glucose was the most abundant sugar in the roots, and the sucrose content was very low, compared to that of the hexoses in most of the accessions. Expression analysis of the genes involved in sucrose metabolism, transportation, starch synthesis, and cell wall synthesis was performed through RNA sequencing. The genes encoding sucrose synthases (SUSY) and the enzymes involved in the synthesis of cellulose were highly expressed, indicating that SUSY is involved in cell wall synthesis in radish roots. The positive correlation coefficient (R) between the sucrose content and the expression of cell wall invertase and sugar transporter proteins suggest that hexose accumulation could occur through the apoplastic pathway in radish roots. A positive R score was also obtained when comparing the expression of genes encoding SUSY and fructokinase (FK), suggesting that the fructose produced by SUSY is mostly phosphorylated by FK. In addition, we concluded that sucrose was the most metabolized sugar in radish roots.
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Duan K, Zhao YJ, Li ZY, Zou XH, Yang J, Guo CL, Chen SY, Yang XR, Gao QH. A Strategy for the Production and Molecular Validation of Agrobacterium-Mediated Intragenic Octoploid Strawberry. PLANTS 2021; 10:plants10112229. [PMID: 34834592 PMCID: PMC8622968 DOI: 10.3390/plants10112229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/16/2021] [Accepted: 10/16/2021] [Indexed: 11/16/2022]
Abstract
Intragenesis is an all-native engineering technology for crop improvement. Using an intragenic strategy to bring genes from wild species to cultivated strawberry could expand the genetic variability. A robust regeneration protocol was developed for the strawberry cv. ‘Shanghai Angel’ by optimizing the dose of Thidiazuron and identifying the most suitable explants. The expression cassette was assembled with all DNA fragments from F. vesca, harboring a sugar transporter gene FvSTP8 driven by a fruit-specific FvKnox promoter. Transformed strawberry was developed through an Agrobacterium-mediated strategy without any selectable markers. Other than PCR selection, probe-based duplex droplet digital PCR (ddPCR) was performed to determine the T-DNA insert. Four independent transformed shoots were obtained with a maximum of 5.3% efficiency. Two lines were confirmed to be chimeras, while the other two were complete transformants with six and 11 copies of the intragene, respectively. The presence of a vector backbone beyond the T-DNA in these transformants indicated that intragenic strawberries were not obtained. The current work optimized the procedures for producing transformed strawberry without antibiotic selection, and accurately determined the insertion copies by ddPCR in the strawberry genome for the first time. These strategies might be promising for the engineering of ‘Shanghai Angel’ and other cultivars to improve agronomic traits.
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Affiliation(s)
- Ke Duan
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai 201403, China; (X.-H.Z.); (J.Y.); (X.-R.Y.)
- Correspondence: (K.D.); (Q.-H.G.)
| | - Ying-Jie Zhao
- Lanzhou New Area Academy of Modern Agricultural Sciences, Lanzhou 730300, China;
| | - Zi-Yi Li
- Ecological Technique and Engineering College, Shanghai Institute of Technology, Shanghai 201418, China;
| | - Xiao-Hua Zou
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai 201403, China; (X.-H.Z.); (J.Y.); (X.-R.Y.)
| | - Jing Yang
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai 201403, China; (X.-H.Z.); (J.Y.); (X.-R.Y.)
| | - Cheng-Lin Guo
- Hangzhou Woosen Biotechnology Co., Ltd., Hangzhou 310012, China;
| | - Si-Yu Chen
- College of Food Science, Shanghai Ocean University, Shanghai 201306, China;
| | - Xiu-Rong Yang
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai 201403, China; (X.-H.Z.); (J.Y.); (X.-R.Y.)
| | - Qing-Hua Gao
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai 201403, China; (X.-H.Z.); (J.Y.); (X.-R.Y.)
- Correspondence: (K.D.); (Q.-H.G.)
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Sharma S, Sanyal SK, Sushmita K, Chauhan M, Sharma A, Anirudhan G, Veetil SK, Kateriya S. Modulation of Phototropin Signalosome with Artificial Illumination Holds Great Potential in the Development of Climate-Smart Crops. Curr Genomics 2021; 22:181-213. [PMID: 34975290 PMCID: PMC8640849 DOI: 10.2174/1389202922666210412104817] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 01/21/2021] [Accepted: 03/01/2021] [Indexed: 11/22/2022] Open
Abstract
Changes in environmental conditions like temperature and light critically influence crop production. To deal with these changes, plants possess various photoreceptors such as Phototropin (PHOT), Phytochrome (PHY), Cryptochrome (CRY), and UVR8 that work synergistically as sensor and stress sensing receptors to different external cues. PHOTs are capable of regulating several functions like growth and development, chloroplast relocation, thermomorphogenesis, metabolite accumulation, stomatal opening, and phototropism in plants. PHOT plays a pivotal role in overcoming the damage caused by excess light and other environmental stresses (heat, cold, and salinity) and biotic stress. The crosstalk between photoreceptors and phytohormones contributes to plant growth, seed germination, photo-protection, flowering, phototropism, and stomatal opening. Molecular genetic studies using gene targeting and synthetic biology approaches have revealed the potential role of different photoreceptor genes in the manipulation of various beneficial agronomic traits. Overexpression of PHOT2 in Fragaria ananassa leads to the increase in anthocyanin content in its leaves and fruits. Artificial illumination with blue light alone and in combination with red light influence the growth, yield, and secondary metabolite production in many plants, while in algal species, it affects growth, chlorophyll content, lipid production and also increases its bioremediation efficiency. Artificial illumination alters the morphological, developmental, and physiological characteristics of agronomic crops and algal species. This review focuses on PHOT modulated signalosome and artificial illumination-based photo-biotechnological approaches for the development of climate-smart crops.
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Affiliation(s)
- Sunita Sharma
- Lab of Optobiology, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Sibaji K Sanyal
- Lab of Optobiology, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Kumari Sushmita
- Lab of Optobiology, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Manisha Chauhan
- Multidisciplinary Centre for Advanced Research and Studies, Jamia Millia Islamia, New Delhi-110025, India
| | - Amit Sharma
- Multidisciplinary Centre for Advanced Research and Studies, Jamia Millia Islamia, New Delhi-110025, India
| | - Gireesh Anirudhan
- Integrated Science Education and Research Centre (ISERC), Institute of Science (Siksha Bhavana), Visva Bharati (A Central University), Santiniketan (PO), West Bengal, 731235, India
| | - Sindhu K Veetil
- Lab of Optobiology, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
| | - Suneel Kateriya
- Lab of Optobiology, School of Biotechnology, Jawaharlal Nehru University, New Delhi 110067, India
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Bavnhøj L, Paulsen PA, Flores-Canales JC, Schiøtt B, Pedersen BP. Molecular mechanism of sugar transport in plants unveiled by structures of glucose/H + symporter STP10. NATURE PLANTS 2021; 7:1409-1419. [PMID: 34556835 DOI: 10.1038/s41477-021-00992-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 07/27/2021] [Indexed: 05/28/2023]
Abstract
Sugars are essential sources of energy and carbon and also function as key signalling molecules in plants. Sugar transport proteins (STP) are proton-coupled symporters responsible for uptake of glucose from the apoplast into plant cells. They are integral to organ development in symplastically isolated tissues such as seed, pollen and fruit. Additionally, STPs play a vital role in plant responses to stressors such as dehydration and prevalent fungal infections like rust and mildew. Here we present a structure of Arabidopsis thaliana STP10 in the inward-open conformation at 2.6 Å resolution and a structure of the outward-occluded conformation at improved 1.8 Å resolution, both with glucose and protons bound. The two structures describe key states in the STP transport cycle. Together with molecular dynamics simulations that establish protonation states and biochemical analysis, they pinpoint structural elements, conserved in all STPs, that clarify the basis of proton-to-glucose coupling. These results advance our understanding of monosaccharide uptake, which is essential for plant organ development, and set the stage for bioengineering strategies in crops.
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Affiliation(s)
- Laust Bavnhøj
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | - Peter Aasted Paulsen
- Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark
| | | | - Birgit Schiøtt
- Department of Chemistry, Aarhus University, Aarhus, Denmark
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Nakano Y, Mitsuda N, Ide K, Mori T, Mira FR, Rosmalawati S, Watanabe N, Suzuki K. Transcriptome analysis of Pará rubber tree (H. brasiliensis) seedlings under ethylene stimulation. BMC PLANT BIOLOGY 2021; 21:420. [PMID: 34517831 PMCID: PMC8436496 DOI: 10.1186/s12870-021-03196-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 08/28/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Natural rubber (cis-1,4-polyioprene, NR) is an indispensable industrial raw material obtained from the Pará rubber tree (H. brasiliensis). Natural rubber cannot be replaced by synthetic rubber compounds because of the superior resilience, elasticity, abrasion resistance, efficient heat dispersion, and impact resistance of NR. In NR production, latex is harvested by periodical tapping of the trunk bark. Ethylene enhances and prolongs latex flow and latex regeneration. Ethephon, which is an ethylene-releasing compound, applied to the trunk before tapping usually results in a 1.5- to 2-fold increase in latex yield. However, intense mechanical damage to bark tissues by excessive tapping and/or over-stimulation with ethephon induces severe oxidative stress in laticifer cells, which often causes tapping panel dryness (TPD) syndrome. To enhance NR production without causing TPD, an improved understanding of the molecular mechanism of the ethylene response in the Pará rubber tree is required. Therefore, we investigated gene expression in response to ethephon treatment using Pará rubber tree seedlings as a model system. RESULTS After ethephon treatment, 3270 genes showed significant differences in expression compared with the mock treatment. Genes associated with carotenoids, flavonoids, and abscisic acid biosynthesis were significantly upregulated by ethephon treatment, which might contribute to an increase in latex flow. Genes associated with secondary cell wall formation were downregulated, which might be because of the reduced sugar supply. Given that sucrose is an important molecule for NR production, a trade-off may arise between NR production and cell wall formation for plant growth and for wound healing at the tapping panel. CONCLUSIONS Dynamic changes in gene expression occur specifically in response to ethephon treatment. Certain genes identified may potentially contribute to latex production or TPD suppression. These data provide valuable information to understand the mechanism of ethylene stimulation, and will contribute to improved management practices and/or molecular breeding to attain higher yields of latex from Pará rubber trees.
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Affiliation(s)
- Yoshimi Nakano
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8566, Japan
| | - Nobutaka Mitsuda
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8566, Japan
| | - Kohei Ide
- Bridgestone Corporation, Kodaira, Tokyo, 187-8531, Japan
| | - Teppei Mori
- Bridgestone Corporation, Kodaira, Tokyo, 187-8531, Japan
| | - Farida Rosana Mira
- Laboratory for Biotechnology, Agency for the Assessment and Application of Technology, Build. 630, Puspiptek area, Serpong, Tangerang, Selatan, 15314, Indonesia
| | - Syofi Rosmalawati
- Laboratory for Biotechnology, Agency for the Assessment and Application of Technology, Build. 630, Puspiptek area, Serpong, Tangerang, Selatan, 15314, Indonesia
| | - Norie Watanabe
- Bridgestone Corporation, Kodaira, Tokyo, 187-8531, Japan
| | - Kaoru Suzuki
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8566, Japan.
- Computational Bio Big-Data Open Innovation Laboratory (CBBD-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, 169-8555, Japan.
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Slawinski L, Israel A, Artault C, Thibault F, Atanassova R, Laloi M, Dédaldéchamp F. Responsiveness of Early Response to Dehydration Six-Like Transporter Genes to Water Deficit in Arabidopsis thaliana Leaves. FRONTIERS IN PLANT SCIENCE 2021; 12:708876. [PMID: 34484269 PMCID: PMC8415272 DOI: 10.3389/fpls.2021.708876] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/15/2021] [Indexed: 05/06/2023]
Abstract
Drought is one of the main abiotic stresses, which affects plant growth, development, and crop yield. Plant response to drought implies carbon allocation to sink organs and sugar partitioning between different cell compartments, and thereby requires the involvement of sugar transporters (SUTs). Among them, the early response to dehydration six-like (ESL), with 19 members in Arabidopsis thaliana, form the largest subfamily of monosaccharide transporters (MSTs) still poorly characterized. A common feature of these genes is their involvement in plant response to abiotic stresses, including water deficit. In this context, we carried out morphological and physiological phenotyping of A. thaliana plants grown under well-watered (WW) and water-deprived (WD) conditions, together with the expression profiling of 17 AtESL genes in rosette leaves. The drought responsiveness of 12 ESL genes, 4 upregulated and 8 downregulated, was correlated to different water statuses of rosette leaves. The differential expression of each of the tandem duplicated AtESL genes in response to water stress is in favor of their plausible functional diversity. Furthermore, transfer DNA (T-DNA) insertional mutants for each of the four upregulated ESLs in response to water deprivation were identified and characterized under WW and WD conditions. To gain insights into global sugar exchanges between vacuole and cytosol under water deficit, the gene expression of other vacuolar SUTs and invertases (AtTMT, AtSUC, AtSWEET, and AtβFRUCT) was analyzed and discussed.
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39
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Lee HG, Seo PJ. Transcriptional activation of SUGAR TRANSPORT PROTEIN 13 mediates biotic and abiotic stress signaling. PLANT SIGNALING & BEHAVIOR 2021; 16:1920759. [PMID: 33899679 PMCID: PMC8244761 DOI: 10.1080/15592324.2021.1920759] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 05/22/2023]
Abstract
Plants have evolved elaborate physiological and molecular responses to diverse environmental challenges, including biotic and abiotic stresses. Accumulating evidence suggests that biotic and abiotic stress signaling pathways are intricately intertwined, and factors involved in molecular crosstalk between these pathways have been identified. The R2R3-type MYB96 transcription factor is a key player that mediates plant response to drought and osmotic stresses as well as to microbial pathogens, acting as a molecular signaling integrator. Here, we report that MYB96 is required for the transcriptional regulation of SUGAR TRANSPORT PROTEIN 13 (STP13) that lies at the intersection of abscisic acid (ABA) and defense signaling pathways. MYB96 directly binds to the STP13 promoter and activates gene expression upon exogenous application of ABA and bacterial flagellin peptide flg22. Our findings indicate that MYB96 integrates biotic and abiotic stress signals and possibly induces sugar uptake to confer tolerance to a wide range of adverse environmental challenges.
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Affiliation(s)
- Hong Gil Lee
- Department of Chemistry, Seoul National University, Seoul, Korea
- Plant Genomics and Breeding Institute, Seoul National University, Seoul, Korea
| | - Pil Joon Seo
- Department of Chemistry, Seoul National University, Seoul, Korea
- Plant Genomics and Breeding Institute, Seoul National University, Seoul, Korea
- CONTACT Pil Joon Seo Department of Chemistry, Seoul National University, Seoul08826, Korea
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40
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Yu X, Ali MM, Li B, Fang T, Chen F. Transcriptome data-based identification of candidate genes involved in metabolism and accumulation of soluble sugars during fruit development in 'Huangguan' plum. J Food Biochem 2021; 45:e13878. [PMID: 34337770 DOI: 10.1111/jfbc.13878] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/19/2021] [Accepted: 07/14/2021] [Indexed: 11/30/2022]
Abstract
Fruit sweetness being an important factor of organoleptic quality directly affects the consumers' preferences for fresh fruit consumption, and is influenced by the composition and quantity of sugars. In this study, four soluble sugars (sucrose, fructose, glucose, and sorbitol) were identified and quantified in plum fruits cv. 'Huangguan' at four different maturity stages (fruitlet, green, veraison, and mature stage). The results revealed that sucrose and glucose are major soluble sugar components at the fruitlet and mature stages, respectively. RNA-Seq analysis was carried out and 6,778 differentially expressed genes (DEGs) were identified, including 121 genes involved in sugar metabolism. Furthermore, a total of 39 transcripts of 8 gene families encoding key enzymes related to the metabolism and accumulation of soluble sugars were separately identified. ERD6L (gene 103322904) was involved in keeping a balance of glucose between the inside and outside of vacuole. SS (gene 103333990) and SDH (gene 103335104) regulated the accumulation of fructose at the green stage. SDH (gene 103335104) controlled the degradation of sorbitol at the green stage. SS (gene 103333990) and PFK (gene 103333391) regulated the degradation of sucrose at the early stages of fruit development. Moreover, NINV (gene 103331108) regulated the accumulation of total sugar in plum. Genes 103321334 and 103335689 were important bZIP transcription factors that regulate the accumulation of glucose and fructose in fruits. Twelve DEGs were selected and validated to observe the relative accuracy of transcriptome sequencing data using qRT-PCR. Gene expression patterns were consistent between qRT-PCR and RNA-Seq data, indicating the reliability of RNA-Seq data. PRACTICAL APPLICATIONS: The results of this study provided new insights into comprehensive understanding of the genetic control of sugar metabolism and accumulation in plum fruits.
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Affiliation(s)
- Xinmiao Yu
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Muhammad Moaaz Ali
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Binqi Li
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China.,Institute of Subtropical Fruits, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Ting Fang
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Faxing Chen
- College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, China.,Institute of Subtropical Fruits, Fujian Agriculture and Forestry University, Fuzhou, China
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41
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Hosni H, Diallo A, Morcillo F, Vaissayre V, Collin M, Tranchant-Dubreuil C, Dussert S, Joët T, Castaño F, Marquínez X, Stauffer FW, Hodel DR, Castillo Mont JJ, Adam H, Jouannic S, Tregear JW. Redox-related gene expression and sugar accumulation patterns are altered in the edible inflorescence produced by the cultivated form of pacaya palm (Chamaedorea tepejilote). ANNALS OF BOTANY 2021; 128:231-240. [PMID: 33978714 PMCID: PMC8324030 DOI: 10.1093/aob/mcab060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 05/07/2021] [Indexed: 05/23/2023]
Abstract
BACKGROUND AND AIMS The pacaya palm is a dioecious neotropical palm species that is exploited in Latin America for its male inflorescence, which is edible when immature. It is cultivated, in a non-intensive manner, in Guatemala, where a morphotype occurs that produces much larger, more highly branched inflorescences compared with wild palms. We sought to identify molecular factors underlying this phenotypic divergence, which is likely to be a product of domestication. METHODS We performed RNA-seq-based studies on immature pacaya palm male inflorescences in order to identify genes that might be directly or indirectly affected in their expression in relation to domestication. We also measured the accumulation of a range of soluble sugar molecules to provide information on the biochemical status of the two different types of material. KEY RESULTS A total of 408 genes were found to display significantly different expression levels between the wild and cultivated morphotypes. Three different functional categories were found to be enriched in the gene set that was upregulated in the cultivated morphotype: redox balance; secondary metabolism; and transport. Several sugars were found to accumulate at higher levels in inflorescences of the cultivated morphotype, in particular myo-inositol, fructose and glucose. CONCLUSIONS The observed upregulation of redox-related genes in the cultivated morphotype is corroborated by the observation of higher myo-inositol accumulation, which has been shown to be associated with enhanced scavenging of reactive oxygen species in other plants and which may affect meristem activity.
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Affiliation(s)
- Hanene Hosni
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Abdoulaye Diallo
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Fabienne Morcillo
- CIRAD, DIADE, Montpellier, France
- DIADE, Université de Montpellier, Institut de Recherche pour le Développement, Montpellier, France
| | - Virginie Vaissayre
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Myriam Collin
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | | | - Stéphane Dussert
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Thierry Joët
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Felipe Castaño
- Universidad Industrial de Santander, Escuela de Biología, Calle, Bucaramanga, Colombia
| | - Xavier Marquínez
- Universidad Nacional de Colombia, Departamento de Biología, Carrera, Bogotá, Colombia
| | - Fred W Stauffer
- Conservatoire et Jardin botaniques de la Ville de Genève, Université de Genève, Laboratoire de Systématique Végétale et Biodiversité, Chambésy, Switzerland
| | - Donald R Hodel
- University of California, Cooperative Extension, Alhambra, CA, USA
| | | | - Hélène Adam
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - Stefan Jouannic
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
| | - James W Tregear
- Institut de Recherche pour le Développement (IRD), UMR DIADE, Université de Montpellier, Montpellier, France
- For correspondence. E-mail
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42
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Liu J, Liu M, Tan L, Huai B, Ma X, Pan Q, Zheng P, Wen Y, Zhang Q, Zhao Q, Kang Z, Xiao S. AtSTP8, an endoplasmic reticulum-localised monosaccharide transporter from Arabidopsis, is recruited to the extrahaustorial membrane during powdery mildew infection. THE NEW PHYTOLOGIST 2021; 230:2404-2419. [PMID: 33728642 DOI: 10.1111/nph.17347] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 03/08/2021] [Indexed: 05/18/2023]
Abstract
Biotrophic pathogens are believed to strategically manipulate sugar transport in host cells to enhance their access to carbohydrates. However, mechanisms of sugar translocation from host cells to biotrophic fungi such as powdery mildew across the plant-haustorium interface remain poorly understood. To investigate this question, systematic subcellular localisation analysis was performed for all the 14 members of the monosaccharide sugar transporter protein (STP) family in Arabidopsis thaliana. The best candidate AtSTP8 was further characterised for its transport properties in Saccharomyces cerevisiae and potential role in powdery mildew infection by gene ablation and overexpression in Arabidopsis. Our results showed that AtSTP8 was mainly localised to the endoplasmic reticulum (ER) and appeared to be recruited to the host-derived extrahaustorial membrane (EHM) induced by powdery mildew. Functional complementation assays in S. cerevisiae suggested that AtSTP8 can transport a broad spectrum of hexose substrates. Moreover, transgenic Arabidopsis plants overexpressing AtSTP8 showed increased hexose concentration in leaf tissues and enhanced susceptibility to powdery mildew. Our data suggested that the ER-localised sugar transporter AtSTP8 may be recruited to the EHM where it may be involved in sugar acquisition by haustoria of powdery mildew from host cells in Arabidopsis.
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Affiliation(s)
- Jie Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
| | - Mengxue Liu
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Liqiang Tan
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
- College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, 611830, China
| | - Baoyu Huai
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Xianfeng Ma
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
- Hunan Provincial Key Laboratory for Germplasm Innovation and Utilization of Crop, Hunan Agricultural University, Changsha, Hunan, 410128, China
| | - Qinglin Pan
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Peijing Zheng
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Yingqiang Wen
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Horticulture, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Qiong Zhang
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
| | - Qi Zhao
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Science, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Zhensheng Kang
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, China
| | - Shunyuan Xiao
- Institute of Biosciences and Biotechnology Research, University of Maryland, Rockville, MD, 20850, USA
- Department of Plant Science and Landscape Architecture, University of Maryland, College Park, MD, 20742, USA
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43
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Liu H, Li C, Qiao L, Hu L, Wang X, Wang J, Ruan X, Yang G, Yin G, Wang C, Sun Z, Ma K, Li L. The Sugar Transporter family in wheat ( Triticum aestivum. L): genome-wide identification, classification, and expression profiling during stress in seedlings. PeerJ 2021; 9:e11371. [PMID: 33987032 PMCID: PMC8103919 DOI: 10.7717/peerj.11371] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 04/07/2021] [Indexed: 12/27/2022] Open
Abstract
The sugar transporter protein (STP) plays a crucial role in regulating plant growth and stress tolerance. We performed genome-wide identification and expression analysis of the STP gene family to investigate the STPSs’ potential roles in the growth of wheat seedlings under stress. Here, a total of 81 TaSTP genes containing the Sugar_tr conserved motif were identified within the wheat genome. Bioinformatic studies including phylogenetic tree, chromosome position, and tandem repeat were performed to analyze the identified genes. The 81 TaSTP genes can be classified into five main groups according to their structural and phylogenetic features, with several subgroups, which were located separately on chromosomes A, B, and D. Moreover, six gene clusters were formed with more than three genes each. The results of three comparative syntenic maps of wheat associated with three representative species suggested that STP genes have strong relationships in monocots. qRT-PCR analysis confirmed that most TaSTP genes displayed different expression profiles after seedlings were subjected to six days of different stress (10% PEG6000, 150 mM NaCl, and their combination, respectively), suggesting that these genes may be involved in regulating plant growth and stress tolerance. In conclusion, 81 TaSTP genes were identified and their expressions changed under stress, indicating TaSTP’s potential roles in wheat growth monosaccharide distribution is regulated.
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Affiliation(s)
- Hongzhan Liu
- Zhoukou Academy of Agricultural Sciences, Zhoukou, Henan, China.,College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Chaoqiong Li
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Lin Qiao
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Lizong Hu
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Xueqin Wang
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Junsheng Wang
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Xianle Ruan
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Guangyu Yang
- Zhoukou Academy of Agricultural Sciences, Zhoukou, Henan, China
| | - Guihong Yin
- College of Agronomy, Henan Agricultural University, Zhengzhou, Henan, China.,Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Zhoukou, Henan, China
| | - Chunping Wang
- College of Agronomy, Henan University of Science and Technology, Luoyang, Henan, China
| | - Zhongke Sun
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Keshi Ma
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China
| | - Lili Li
- College of Life Science and Agronomy, Zhoukou Normal University, Zhoukou, Henan, China.,Key Laboratory of Plant Genetics and Molecular Breeding, Zhoukou Normal University, Zhoukou, Henan, China
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Wu P, Zhang Y, Zhao S, Li L. Comprehensive Analysis of Evolutionary Characterization and Expression for Monosaccharide Transporter Family Genes in Nelumbo nucifera. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.537398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Sugar transporters, an important class of transporters for sugar function, regulate many processes associated with growth, maturation, and senescence processes in plants. In this study, a total of 35 NuMSTs were identified in the Nelumbo nucifera genome and grouped by conserved domains and phylogenetic analysis. Additionally, we identified 316 MST genes in 10 other representative plants and performed a comparative analysis with Nelumbo nucifera genes, including evolutionary trajectory, gene duplication, and expression pattern. A large number of analyses across plants and algae indicated that the MST family could have originated from STP and Glct, expanding to form STP and SFP by dispersed duplication. Finally, a quantitative real-time polymerase chain reaction and cis-element analysis showed that some of them may be regulated by plant hormones (e.g., abscisic acid), biotic stress factors, and abiotic factors (e.g., drought, excessive cold, and light). We found that under the four abiotic stress conditions, only NuSTP5 expression was upregulated, generating a stress response, and ARBE and LTR were present in NuSTP5. In summary, our findings are significant for understanding and exploring the molecular evolution and mechanisms of NuMSTs in plants.
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45
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Zhang Q, Hua X, Liu H, Yuan Y, Shi Y, Wang Z, Zhang M, Ming R, Zhang J. Evolutionary expansion and functional divergence of sugar transporters in Saccharum (S. spontaneum and S. officinarum). THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 105:884-906. [PMID: 33179305 DOI: 10.1111/tpj.15076] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 10/27/2020] [Accepted: 11/04/2020] [Indexed: 06/11/2023]
Abstract
The sugar transporter (ST) family is considered to be the most important gene family for sugar accumulation, but limited information about the ST family in the important sugar-yielding crop Saccharum is available due to its complex genetic background. Here, 105 ST genes were identified and clustered into eight subfamilies in Saccharum spontaneum. Comparative genomics revealed that tandem duplication events contributed to ST gene expansions of two subfamilies, PLT and STP, in S. spontaneum, indicating an early evolutionary step towards high sugar content in Saccharum. The analyses of expression patterns were based on four large datasets with a total of 226 RNA sequencing samples from S. spontaneum and Saccharum officinarum. The results clearly demonstrated 50 ST genes had different spatiotemporal expression patterns in leaf tissues, 10 STs were specifically expressed in the stem, and 10 STs responded to the diurnal rhythm. Heterologous expression experiments in the defective yeast strain EBY.VW4000 indicated STP13, pGlcT2, VGT3, and TMT4 are the STs with most affinity for glucose/fructose and SUT1_T1 has the highest affinity to sucrose. Furthermore, metabolomics analysis suggested STP7 is a sugar starvation-induced gene and STP13 has a function in retrieving sugar in senescent tissues. PLT11, PLT11_T1, TMT3, and TMT4 contributed to breaking the limitations of the storage sink. SUT1, SUT1_T1, PLT11, TMT4, pGlcT2, and VGT3 responded for different functions in these two Saccharum species. This study demonstrated the evolutionary expansion and functional divergence of the ST gene family and will enable the further investigation of the molecular mechanism of sugar metabolism in Saccharum.
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Affiliation(s)
- Qing Zhang
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Xiuting Hua
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Hong Liu
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yuan Yuan
- College of Life Sciences, Fujian Normal University, Fuzhou, 350117, China
| | - Yan Shi
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zhengchao Wang
- College of Life Sciences, Fujian Normal University, Fuzhou, 350117, China
| | - Muqing Zhang
- Guangxi key lab for sugarcane biology, Guangxi University, Nanning, Guangxi, 530005, China
| | - Ray Ming
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Jisen Zhang
- Center for Genomics and Biotechnology, Haixia Institute of Science and Technology, Fujian Provincial Laboratory of Haixia Applied Plant Systems Biology, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
- Guangxi key lab for sugarcane biology, Guangxi University, Nanning, Guangxi, 530005, China
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46
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Slawinski L, Israel A, Paillot C, Thibault F, Cordaux R, Atanassova R, Dédaldéchamp F, Laloi M. Early Response to Dehydration Six-Like Transporter Family: Early Origin in Streptophytes and Evolution in Land Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:681929. [PMID: 34552602 PMCID: PMC8450595 DOI: 10.3389/fpls.2021.681929] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 07/09/2021] [Indexed: 05/23/2023]
Abstract
Carbon management by plants involves the activity of many sugar transporters, which play roles in sugar subcellular partitioning and reallocation at the whole organism scale. Among these transporters, the early response to dehydration six-like (ESL) monosaccharide transporters (MSTs) are still poorly characterized although they represent one of the largest sugar transporter subfamilies. In this study, we used an evolutionary genomic approach to infer the evolutionary history of this multigenic family. No ESL could be identified in the genomes of rhodophytes, chlorophytes, and the brown algae Ectocarpus siliculosus, whereas one ESL was identified in the genome of Klebsormidium nitens providing evidence for the early emergence of these transporters in Streptophytes. A phylogenetic analysis using the 519 putative ESL proteins identified in the genomes of 47 Embryophyta species and being representative of the plant kingdom has revealed that ESL protein sequences can be divided into three major groups. The first and second groups originated in the common ancestor of all spermaphytes [ζ: 340 million years ago (MYA)] and of angiosperms (ε: 170-235 MYA), respectively, and the third group originated before the divergence of rosids and asterids (γ/1R: 117 MYA). In some eudicots (Vitales, Malpighiales, Myrtales, Sapindales, Brassicales, Malvales, and Solanales), the ESL family presents remarkable expansions of gene copies associated with tandem duplications. The analysis of non-synonymous and synonymous substitutions for the dN/dS ratio of the ESL copies of the genus Arabidopsis has revealed that ESL genes are evolved under a purifying selection even though the progressive increase of dN/dS ratios in the three groups suggests subdiversification phenomena. To further explore the possible acquisition of novel functions by ESL MSTs, we identified the gene structure and promoter cis-acting elements for Arabidopsis thaliana ESL genes. The expression profiling of Arabidopsis ESL unraveled some gene copies that are almost constitutively expressed, whereas other gene copies display organ-preferential expression patterns. This study provides an evolving framework to better understand the roles of ESL transporters in plant development and response to environmental constraints.
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Gao ZF, Shen Z, Chao Q, Yan Z, Ge XL, Lu T, Zheng H, Qian CR, Wang BC. Large-scale Proteomic and Phosphoproteomic Analyses of Maize Seedling Leaves During De-etiolation. GENOMICS PROTEOMICS & BIOINFORMATICS 2020; 18:397-414. [PMID: 33385613 PMCID: PMC8242269 DOI: 10.1016/j.gpb.2020.12.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 07/16/2019] [Accepted: 05/12/2020] [Indexed: 12/20/2022]
Abstract
De-etiolation consists of a series of developmental and physiological changes that a plant undergoes in response to light. During this process light, an important environmental signal, triggers the inhibition of mesocotyl elongation and the production of photosynthetically active chloroplasts, and etiolated leaves transition from the "sink" stage to the "source" stage. De-etiolation has been extensively studied in maize (Zea mays L.). However, little is known about how this transition is regulated. In this study, we described a quantitative proteomic and phosphoproteomic atlas of the de-etiolation process in maize. We identified 16,420 proteins in proteome, among which 14,168 proteins were quantified. In addition, 8746 phosphorylation sites within 3110 proteins were identified. From the combined proteomic and phosphoproteomic data, we identified a total of 17,436 proteins. Only 7.0% (998/14,168) of proteins significantly changed in abundance during de-etiolation. In contrast, 26.6% of phosphorylated proteins exhibited significant changes in phosphorylation level; these included proteins involved in gene expression and homeostatic pathways and rate-limiting enzymes involved in photosynthetic light and carbon reactions. Based on phosphoproteomic analysis, 34.0% (1057/3110) of phosphorylated proteins identified in this study contained more than 2 phosphorylation sites, and 37 proteins contained more than 16 phosphorylation sites, indicating that multi-phosphorylation is ubiquitous during the de-etiolation process. Our results suggest that plants might preferentially regulate the level of posttranslational modifications (PTMs) rather than protein abundance for adapting to changing environments. The study of PTMs could thus better reveal the regulation of de-etiolation.
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Affiliation(s)
- Zhi-Fang Gao
- Key Laboratory of Photobiology, CAS, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhuo Shen
- Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangdong Key Laboratory for New Technology Research of Vegetables, Guangzhou 510640, China
| | - Qing Chao
- Key Laboratory of Photobiology, CAS, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
| | - Zhen Yan
- Key Laboratory of Photobiology, CAS, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xuan-Liang Ge
- Institute of Crop Cultivation and Farming, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
| | - Tiancong Lu
- Beijing ProteinWorld Biotech, Beijing 100012, China
| | - Haiyan Zheng
- Center for Advanced Biotechnology and Medicine, Biological Mass Spectrometry Facility, Rutgers University, Piscataway, NJ 08855, USA
| | - Chun-Rong Qian
- Institute of Crop Cultivation and Farming, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China.
| | - Bai-Chen Wang
- Key Laboratory of Photobiology, CAS, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Sugar and Hormone Dynamics and the Expression Profiles of SUT/SUC and SWEET Sweet Sugar Transporters during Flower Development in Petunia axillaris. PLANTS 2020; 9:plants9121770. [PMID: 33327497 PMCID: PMC7764969 DOI: 10.3390/plants9121770] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/10/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022]
Abstract
Flowering is the first committed step of plant sexual reproduction. While the developing flower is a strong sink requiring large quantity of sugars from photosynthetic source tissues, this process is under-temper-spatially controlled via hormone signaling pathway and nutrient availability. Sugar transporters SUT/SUC and SWEET mediate sugars movement across membranes and play a significant role in various physiological processes, including reproductive organ development. In Petunia axillaris, a model ornamental plant, 5 SUT/SUC and 36 SWEET genes are identified in the current version of the genome. Analysis of their gene structure and chromosomal locations reveal that SWEET family is moderately expanded. Most of the transporter genes are abundantly expressed in the flower than in other organs. During the five flower developmental stages, transcript levels of PaSUT1, PaSUT3, PaSWEET13c, PaSWEET9a, PaSWEET1d, PaSWEET5a and PaSWEET14a increase with the maturation of the flower and reach their maximum in the fully open flowers. PaSWEET9c, the nectar-specific PhNEC1 orthologous, is expressed in matured and fully opened flowers. Moreover, determination of sugar concentrations and phytohormone dynamics in flowers at the five developmental stages shows that glucose is the predominant form of sugar in young flowers at the early stage but depletes at the later stage, whereas sucrose accumulates only in maturated flowers prior to the corolla opening. On the other hand, GA3 content and to a less extent IAA and zeatin decreases with the flower development; however, JA, SA and ABA display a remarkable peak at mid- or later flower developmental stage.
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Geiger D. Plant glucose transporter structure and function. Pflugers Arch 2020; 472:1111-1128. [PMID: 32845347 PMCID: PMC8298354 DOI: 10.1007/s00424-020-02449-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/06/2020] [Accepted: 08/10/2020] [Indexed: 12/01/2022]
Abstract
The carbohydrate D-glucose is the main source of energy in living organisms. In contrast to animals, as well as most fungi, bacteria, and archaea, plants are capable to synthesize a surplus of sugars characterizing them as autothrophic organisms. Thus, plants are de facto the source of all food on earth, either directly or indirectly via feed to livestock. Glucose is stored as polymeric glucan, in animals as glycogen and in plants as starch. Despite serving a general source for metabolic energy and energy storage, glucose is the main building block for cellulose synthesis and represents the metabolic starting point of carboxylate- and amino acid synthesis. Finally yet importantly, glucose functions as signalling molecule conveying the plant metabolic status for adjustment of growth, development, and survival. Therefore, cell-to-cell and long-distance transport of photoassimilates/sugars throughout the plant body require the fine-tuned activity of sugar transporters facilitating the transport across membranes. The functional plant counterparts of the animal sodium/glucose transporters (SGLTs) are represented by the proton-coupled sugar transport proteins (STPs) of the plant monosaccharide transporter(-like) family (MST). In the framework of this special issue on “Glucose Transporters in Health and Disease,” this review gives an overview of the function and structure of plant STPs in comparison to the respective knowledge obtained with the animal Na+-coupled glucose transporters (SGLTs).
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Affiliation(s)
- Dietmar Geiger
- Institute for Molecular Plant Physiology and Biophysics, Julius-von-Sachs-Institute, Biocenter, University of Wuerzburg, 97082, Wuerzburg, Germany.
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Liu HT, Ji Y, Liu Y, Tian SH, Gao QH, Zou XH, Yang J, Dong C, Tan JH, Ni DA, Duan K. The sugar transporter system of strawberry: genome-wide identification and expression correlation with fruit soluble sugar-related traits in a Fragaria × ananassa germplasm collection. HORTICULTURE RESEARCH 2020; 7:132. [PMID: 32793356 PMCID: PMC7385174 DOI: 10.1038/s41438-020-00359-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/04/2020] [Accepted: 06/06/2020] [Indexed: 05/24/2023]
Abstract
Sugar from plant photosynthesis is a basic requirement for life activities. Sugar transporters are the proteins that mediate sugar allocation among or within source/sink organs. The transporters of the major facilitator superfamily (MFS) targeting carbohydrates represent the largest family of sugar transporters in many plants. Strawberry (Fragaria × ananassa Duchesne) is an important crop appreciated worldwide for its unique fruit flavor. The involvement of MFS sugar transporters (STs) in cultivated strawberry fruit sugar accumulation is largely unknown. In this work, we characterized the genetic variation associated with fruit soluble sugars in a collection including 154 varieties. Then, a total of 67 ST genes were identified in the v4.0 genome integrated with the v4.0.a2 protein database of F. vesca, the dominant subgenome provider for modern cultivated strawberry. Phylogenetic analysis updated the nomenclature of strawberry ST homoeologs. Both the chromosomal distribution and structural characteristics of the ST family were improved. Semi-RT-PCR analysis in nine tissues from cv. Benihoppe screened 34 highly expressed ST genes in fruits. In three varieties with dramatically differing fruit sugar levels, qPCR integrated with correlation analysis between ST transcript abundance and sugar content identified 13 sugar-correlated genes. The correlations were re-evaluated across 19 varieties, including major commercial cultivars grown in China. Finally, a model of the contribution of the sugar transporter system to subcellular sugar allocation in strawberry fruits was proposed. Our work highlights the involvement of STs in controlling strawberry fruit soluble sugars and provides candidates for the future functional study of STs in strawberry development and responses and a new approach for strawberry genetic engineering and molecular breeding.
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Affiliation(s)
- Hai-Ting Liu
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
- Ecological Technique and Engineering College, Shanghai Institute of Technology, Shanghai, 201418 China
| | - Ying Ji
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
- Ecological Technique and Engineering College, Shanghai Institute of Technology, Shanghai, 201418 China
| | - Ya Liu
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
| | - Shu-Hua Tian
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
| | - Qing-Hua Gao
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
- Ecological Technique and Engineering College, Shanghai Institute of Technology, Shanghai, 201418 China
| | - Xiao-Hua Zou
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
| | - Jing Yang
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
| | - Chao Dong
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
| | - Jia-Hui Tan
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
- Environmental Engineering College, Suzhou Polytechnic Institute of Agriculture, Suzhou, 215008 China
| | - Di-An Ni
- Ecological Technique and Engineering College, Shanghai Institute of Technology, Shanghai, 201418 China
| | - Ke Duan
- Shanghai Key Laboratory of Protected Horticultural Technology, Forestry and Fruit Tree Research Institute, Shanghai Academy of Agricultural Sciences (SAAS), Shanghai, 201403 China
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