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Mehla S, Singh Y, Kumar U, Balyan P, Singh KP, Dhankher OP. Overexpression of rice lectin receptor-like kinase, OsLec-RLK, confers salinity stress tolerance and increases seed yield in pigeon pea (Cajanus cajan (L.) Millsp.). PLANT CELL REPORTS 2024; 43:230. [PMID: 39251423 DOI: 10.1007/s00299-024-03314-8] [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: 05/16/2024] [Accepted: 08/10/2024] [Indexed: 09/11/2024]
Abstract
KEY MESSAGE OsLec-RLK overexpression enhances cell signalling and salt stress tolerance in pigeon pea, enhancing seed yield and harvest index and thus, enabling marginal lands to increase food and nutritional security. Lectin Receptor-like kinases (Lec-RLKs) are highly effective cell signaling molecules that counteract various stresses, including salt stress. We engineered pigeon pea by overexpressing OsLec-RLK gene for enhancing salt tolerance. The OsLec-RLK overexpression lines demonstrated superior performance under salt stress, from vegetative to reproductive phase, compared to wild types (WT). The overexpression lines had significantly higher K+/Na+ ratio than WT exposed to 100 mM NaCl. Under salt stress, transgenic lines showed higher levels of chlorophyll, proline, total soluble sugars, relative water content, and peroxidase and catalase activity than WT plants. Membrane injury index and lipid peroxidation were significantly reduced in transgenic lines. Analysis of phenological and yield attributes confirmed that the OsLec-RLK pigeon pea lines maintain plant vigor, with 10.34-fold increase in seed yield (per plant) and 4-5-fold increase in harvest index of overexpression lines, compared to wild type. Meanwhile, the overexpression of OsLec-RLK up-regulated the expression levels of histone deacetylase1, acyl CoA, ascorbate peroxidase, peroxidase, glutathione reductase and catalase, which were involved in the K+/Na+ homeostasis pathway. This study showed the potential of OsLec-RLK gene for increasing crop productivity and yields under salt stress and enabling the crops to be grown on marginal lands for increasing food and nutritional security.
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Affiliation(s)
- Sheetal Mehla
- Department of Molecular Biology and Biotechnology, College of Biotechnology, CCS Haryana Agricultural University, Hisar, 125004, India
| | - Yogita Singh
- Department of Molecular Biology and Biotechnology, College of Biotechnology, CCS Haryana Agricultural University, Hisar, 125004, India
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, USA
| | - Upendra Kumar
- Department of Molecular Biology and Biotechnology, College of Biotechnology, CCS Haryana Agricultural University, Hisar, 125004, India.
- Department of Plant Science, Mahatma Jyotiba Phule Rohilkhand University, Bareilly, 243006, India.
| | - Priyanka Balyan
- Department of Botany, Deva Nagri P.G. College, CCS University, Meerut, 245206, India
| | - Krishna Pal Singh
- Biophysics Unit, College of Basic Sciences & Humanities, GB Pant University of Agriculture & Technology, Pantnagar, 263145, India
- Vice-Chancellor's Secretariat, Mahatma Jyotiba Phule Rohilkhand University, Bareilly, 243001, India
| | - Om Parkash Dhankher
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA, 01003, USA.
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2
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Li X, Chen X, Fang J, Feng X, Zhang X, Lin H, Chen W, Zhang N, He H, Huang Z, Xue X, Li Y, Fan L, Lai R, Huo Z, Cui M, Deng G, Zaid C, Su Y, Zhang J, Cai W, Qi Y. Whole-genome sequencing of a worldwide collection of sugarcane cultivars (Saccharum spp.) reveals the genetic basis of cultivar improvement. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 119:2151-2167. [PMID: 38852163 DOI: 10.1111/tpj.16861] [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: 01/28/2024] [Revised: 05/12/2024] [Accepted: 05/20/2024] [Indexed: 06/11/2024]
Abstract
Sugarcane is the main source of sugar worldwide, and 80% of the sucrose production comes from sugarcane. However, the genetic differentiation and basis of agronomic traits remain obscure. Here, we sequenced the whole-genome of 219 elite worldwide sugarcane cultivar accessions. A total of approximately 6 million high-quality genome-wide single nucleotide polymorphisms (SNPs) were detected. A genome-wide association study identified a total of 2198 SNPs that were significantly associated with sucrose content, stalk number, plant height, stalk diameter, cane yield, and sugar yield. We observed homozygous tendency of favor alleles of these loci, and over 80% of cultivar accessions carried the favor alleles of the SNPs or haplotypes associated with sucrose content. Gene introgression analysis showed that the number of chromosome segments from Saccharum spontaneum decreased with the breeding time of cultivars, while those from S. officinarum increased in recent cultivars. A series of selection signatures were identified in sugarcane improvement procession, of which 104 were simultaneously associated with agronomic traits and 45 of them were mainly associated with sucrose content. We further proposed that as per sugarcane transgenic experiments, ShN/AINV3.1 plays a positive role in increasing stalk number, plant height, and stalk diameter. These findings provide comprehensive resources for understanding the genetic basis of agronomic traits and will be beneficial to germplasm innovation, screening molecular markers, and future sugarcane cultivar improvement.
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Affiliation(s)
- Xuhui Li
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Xinglong Chen
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Junteng Fang
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Xiaomin Feng
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Xiangbo Zhang
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Huanzhang Lin
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Weiwei Chen
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Nannan Zhang
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Huiyi He
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
| | - Zhenghui Huang
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Xiaoming Xue
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Yucong Li
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Lina Fan
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Ruiqiang Lai
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Zhenye Huo
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Mingyang Cui
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Guangyan Deng
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Chachar Zaid
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
| | - Yueping Su
- Zhanjiang Academy of Agricultural Sciences, Zhanjiang, Guangdong, 524094, China
| | - Jisen Zhang
- State Key Laboratory for Conservation and Utilization of Agro-Bioresources, Guangxi University, Nanning, Guangxi, 530005, China
| | - Weijun Cai
- Zhanjiang Academy of Agricultural Sciences, Zhanjiang, Guangdong, 524094, China
| | - Yongwen Qi
- Institute of Nanfan and Seed Industry, Guangdong Academy of Science, Guangzhou, Guangdong, 510316, China
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510325, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, Guangdong, 510642, China
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3
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Lv D, Wang G, You J, Zhu L, Yang H, Cao B, Gu W, Li C. Genome-Wide Analysis and Expression Profiling of Lectin Receptor-like Kinase Genes in Watermelon ( Citrullus lanatus). Int J Mol Sci 2024; 25:8257. [PMID: 39125826 PMCID: PMC11312183 DOI: 10.3390/ijms25158257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/24/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024] Open
Abstract
Watermelon is one of the most important edible plants worldwide. Owing to its special cultivation conditions, watermelon is exposed to many biological and abiotic stresses during its development. Lectin receptor-like kinases (LecRLKs) are plant-specific membrane proteins that play important roles in sensing and responding to environmental stimuli. Although the LecRLK gene family has been identified in a variety of plants, a comprehensive analysis has not yet been undertaken in watermelon. In this study, 61 putative LecRLK genes were identified in watermelon, consisting of 36 G-type, 24 L-type, and 1 C-type LecRLK genes. They were distributed in clusters on chromosomes, and members from the same subfamily were mostly clustered together. The analysis of the phylogenetic tree and conserved motif indicated that there were obvious differences among three ClaLecRLK subfamilies, and there was also rich diversity in the C-terminal within subfamilies. A collinear analysis revealed that the evolution of the ClaLecRLK gene family in different Cucurbitaceae crops was asynchronous. Furthermore, the analysis of the ClaLecRLK protein structure showed that not all proteins contained signal peptides and a single transmembrane domain. A subcellular localization assay confirmed that the number and position of transmembrane domains did not affect ClaLecRLK protein localization in cells. Transcriptome data revealed distinct expression patterns of LecRLK genes of watermelon in various tissues, and their responses to different fungi infection were also significantly different. Finally, the potential binding sites of the ClaLecRLK genes targeted by miRNA were predicted. This study enhances the understanding of the characteristics and functions of the LecRLK gene family in watermelon and opens up the possibility of exploring the roles that LecRLK genes may play in the life cycle of Cucurbitaceae plants.
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Affiliation(s)
- Duo Lv
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Gang Wang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China;
| | - Jiaqi You
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Lihua Zhu
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Hongjuan Yang
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Biting Cao
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Weihong Gu
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
| | - Chaohan Li
- Shanghai Key Lab of Protected Horticultural Technology, Horticultural Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai 201106, China; (D.L.); (J.Y.); (L.Z.); (H.Y.); (B.C.)
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Zhao C, Li Q, Ge Q, Chen R, Yu H, Wu J, Liu X, Lu Z. Lectin Receptor-Like Protein Kinase OsNRFG6 is Required for Embryo Sac Development and Fertilization in Neo-Tetraploid Rice. RICE (NEW YORK, N.Y.) 2024; 17:41. [PMID: 38916708 PMCID: PMC11199475 DOI: 10.1186/s12284-024-00720-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 06/21/2024] [Indexed: 06/26/2024]
Abstract
Great yield-enhancing prospects of autotetraploid rice was restricted by various polyploidy-induced reproductive dysfunction. To surmount these challenges, our group has generated a series of valuable fertile tetraploid lines (denoted as neo-tetraploid rice) through 20-year efforts. With this context, a G-type lectin receptor-like kinase, OsNRFG6, was identified as a pivotal factor associated with reproductive regulation in neo-tetraploid rice. Nevertheless, it is still elusive about a comprehensive understanding of its precise functional roles and underlying molecular mechanisms during reproduction of neo-tetraploid rice. Here, we demonstrated that OsNRFG6 executed a constitutive expression pattern and encoded proteins localizing in perinucleus and endoplasmic reticulum. Subsequently, four independent mutant lines of OsNRFG6 within neo-tetraploid rice background were further identified, all displaying low seed-setting rate due to abortive embryo sacs and defective double fertilization. RNA-seq and RT-qPCR revealed a significant down-regulation of OsNRFG6 and female reproductive genes such as OsMEL1 and LOG in ovaries prior to and post-fertilization, attributing this effect to OsNRFG6 mutation. Furthermore, through yeast-two hybrids, bimolecular fluorescence complementation assays, and luciferase complementation imaging assays, it was determined that OsNRFG6 could interact with itself and two female reproductive proteins (LOG and OsDES1) to form protein complexes. These results elucidate the reproductive functions and molecular pathway governed by OsNRFG6 in regulating fertility of neo-tetraploid rice, offering insights into molecular understanding of fertility improvement in polyploid rice.
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Affiliation(s)
- Chongchong Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China
| | - Qihang Li
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China
| | - Qi Ge
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China
| | - Rou Chen
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China
| | - Hang Yu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jinwen Wu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China
| | - Xiangdong Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China.
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China.
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China.
| | - Zijun Lu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, 510642, China.
- Guangdong Provincial Key Laboratory of Plant Molecular Breeding, South China Agricultural University, Guangzhou, 510642, China.
- Guangdong Base Bank for Lingnan Rice Germplasm Resources, College of Agriculture, South China Agricultural University, Guangzhou, 510642, China.
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5
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Eschrig S, Schäffer M, Shu LJ, Illig T, Eibel S, Fernandez A, Ranf S. LORE receptor homomerization is required for 3-hydroxydecanoic acid-induced immune signaling and determines the natural variation of immunosensitivity within the Arabidopsis genus. THE NEW PHYTOLOGIST 2024; 242:2163-2179. [PMID: 38532564 DOI: 10.1111/nph.19715] [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: 01/26/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024]
Abstract
The S-domain-type receptor-like kinase (SD-RLK) LIPOOLIGOSACCHARIDE-SPECIFIC REDUCED ELICITATION (LORE) from Arabidopsis thaliana is a pattern recognition receptor that senses medium-chain 3-hydroxy fatty acids, such as 3-hydroxydecanoic acid (3-OH-C10:0), to activate pattern-triggered immunity. Here, we show that LORE homomerization is required to activate 3-OH-C10:0-induced immune signaling. Fluorescence lifetime imaging in Nicotiana benthamiana demonstrates that AtLORE homomerizes via the extracellular and transmembrane domains. Co-expression of AtLORE truncations lacking the intracellular domain exerts a dominant negative effect on AtLORE signaling in both N. benthamiana and A. thaliana, highlighting that homomerization is essential for signaling. Screening for 3-OH-C10:0-induced reactive oxygen species production revealed natural variation within the Arabidopsis genus. Arabidopsis lyrata and Arabidopsis halleri do not respond to 3-OH-C10:0, although both possess a putative LORE ortholog. Both LORE orthologs have defective extracellular domains that bind 3-OH-C10:0 to a similar level as AtLORE, but lack the ability to homomerize. Thus, ligand binding is independent of LORE homomerization. Analysis of AtLORE and AlyrLORE chimera suggests that the loss of AlyrLORE homomerization is caused by several amino acid polymorphisms across the extracellular domain. Our findings shed light on the activation mechanism of LORE and the loss of 3-OH-C10:0 perception within the Arabidopsis genus.
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Affiliation(s)
- Sabine Eschrig
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
| | - Milena Schäffer
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
| | - Lin-Jie Shu
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland
| | - Tina Illig
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
| | - Sonja Eibel
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
| | - Atiara Fernandez
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
| | - Stefanie Ranf
- TUM School of Life Sciences, Chair of Phytopathology, Technical University of Munich, Freising-Weihenstephan, 85354, Germany
- Department of Biology, University of Fribourg, Fribourg, 1700, Switzerland
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Kumar R, Iswanto ABB, Kumar D, Shuwei W, Oh K, Moon J, Son GH, Oh ES, Vu MH, Lee J, Lee KW, Oh MH, Kwon C, Chung WS, Kim JY, Kim SH. C-Type LECTIN receptor-like kinase 1 and ACTIN DEPOLYMERIZING FACTOR 3 are key components of plasmodesmata callose modulation. PLANT, CELL & ENVIRONMENT 2024. [PMID: 38780063 DOI: 10.1111/pce.14957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 04/02/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024]
Abstract
Plasmodesmata (PDs) are intercellular organelles carrying multiple membranous nanochannels that allow the trafficking of cellular signalling molecules. The channel regulation of PDs occurs dynamically and is required in various developmental and physiological processes. It is well known that callose is a critical component in regulating PD permeability or symplasmic connectivity, but the understanding of the signalling pathways and mechanisms of its regulation is limited. Here, we used the reverse genetic approach to investigate the role of C-type lectin receptor-like kinase 1 (CLRLK1) in the aspect of PD callose-modulated symplasmic continuity. Here, we found that loss-of-function mutations in CLRLK1 resulted in excessive PD callose deposits and reduced symplasmic continuity, resulting in an accelerated gravitropic response. The protein interactome study also found that CLRLK1 interacted with actin depolymerizing factor 3 (ADF3) in vitro and in plants. Moreover, mutations in ADF3 result in elevated PD callose deposits and faster gravitropic response. Our results indicate that CLRLK1 and ADF3 negatively regulate PD callose accumulation, contributing to fine-tuning symplasmic opening apertures. Overall, our studies identified two key components involved in the deposits of PD callose and provided new insights into how symplasmic connectivity is maintained by the control of PD callose homoeostasis.
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Affiliation(s)
- Ritesh Kumar
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Arya B B Iswanto
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Dhinesh Kumar
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Wu Shuwei
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Kyujin Oh
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Jiyun Moon
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Geon H Son
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Eun-Seok Oh
- Department of Biological Sciences, College of Biological Sciences and Biotechnology, Chungnam National University, Daejeon, Republic of Korea
| | - Minh H Vu
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Jinsu Lee
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
| | - Keun W Lee
- Division of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Man-Ho Oh
- Department of Biological Sciences, College of Biological Sciences and Biotechnology, Chungnam National University, Daejeon, Republic of Korea
| | - Chian Kwon
- Department of Molecular Biology, Dankook University, Cheonan, Korea
| | - Woo S Chung
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
- Division of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
- Division of Life Science, Gyeongsang National University, Jinju, Republic of Korea
| | - Sang H Kim
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, Republic of Korea
- Division of Life Science, Gyeongsang National University, Jinju, Republic of Korea
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7
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Ahmed FF, Dola FS, Islam MSU, Zohra FT, Akter N, Rahman SM, Rauf Sarkar MA. Genome-Wide Comprehensive Identification and In Silico Characterization of Lectin Receptor-Like Kinase Gene Family in Barley ( Hordeum vulgare L.). Genet Res (Camb) 2024; 2024:2924953. [PMID: 38444770 PMCID: PMC10914435 DOI: 10.1155/2024/2924953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 01/27/2024] [Accepted: 02/16/2024] [Indexed: 03/07/2024] Open
Abstract
Lectin receptor-like kinases (LecRLKs) are a significant subgroup of the receptor-like kinases (RLKs) protein family. They play crucial roles in plant growth, development, immune responses, signal transduction, and stress tolerance. However, the genome-wide identification and characterization of LecRLK genes and their regulatory elements have not been explored in a major cereal crop, barley (Hordeum vulgare L.). Therefore, in this study, integrated bioinformatics tools were used to identify and characterize the LecRLK gene family in barley. Based on the phylogenetic tree and domain organization, a total of 113 LecRLK genes were identified in the barley genome (referred to as HvlecRLK) corresponding to the LecRLK genes of Arabidopsis thaliana. These putative HvlecRLK genes were classified into three groups: 62 G-type LecRLKs, 1 C-type LecRLK, and 50 L-type LecRLKs. They were unevenly distributed across eight chromosomes, including one unknown chromosome, and were predominantly located in the plasma membrane (G-type HvlecRLK (96.8%), C-type HvlecRLK (100%), and L-type HvlecRLK (98%)). An analysis of motif composition and exon-intron configuration revealed remarkable homogeneity with the members of AtlecRLK. Notably, most of the HvlecRLKs (27 G-type, 43 L-type) have no intron, suggesting their rapid functionality. The Ka/Ks and syntenic analysis demonstrated that HvlecRLK gene pairs evolved through purifying selection and gene duplication was the major factor for the expansion of the HvlecRLK gene family. Exploration of gene ontology (GO) enrichment indicated that the identified HvlecRLK genes are associated with various cellular processes, metabolic pathways, defense mechanisms, kinase activity, catalytic activity, ion binding, and other essential pathways. The regulatory network analysis identified 29 transcription factor families (TFFs), with seven major TFFs including bZIP, C2H2, ERF, MIKC_MADS, MYB, NAC, and WRKY participating in the regulation of HvlecRLK gene functions. Most notably, eight TFFs were found to be linked to the promoter region of both L-type HvleckRLK64 and HvleckRLK86. The promoter cis-acting regulatory element (CARE) analysis of barley identified a total of 75 CARE motifs responsive to light responsiveness (LR), tissue-specific (TS), hormone responsiveness (HR), and stress responsiveness (SR). The maximum number of CAREs was identified in HvleckRLK11 (25 for LR), HvleckRLK69 (17 for TS), and HvleckRLK80 (12 for HR). Additionally, HvleckRLK14, HvleckRLK16, HvleckRLK33, HvleckRLK50, HvleckRLK52, HvleckRLK56, and HvleckRLK110 were predicted to exhibit higher responses in stress conditions. In addition, 46 putative miRNAs were predicted to target 81 HvlecRLK genes and HvlecRLK13 was the most targeted gene by 8 different miRNAs. Protein-protein interaction analysis demonstrated higher functional similarities of 63 HvlecRLKs with 7 Arabidopsis STRING proteins. Our overall findings provide valuable information on the LecRLK gene family which might pave the way to advanced research on the functional mechanism of the candidate genes as well as to develop new barley cultivars in breeding programs.
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Affiliation(s)
- Fee Faysal Ahmed
- Department of Mathematics, Faculty of Science, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Farah Sumaiya Dola
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md Shohel Ul Islam
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Fatema Tuz Zohra
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Sciences, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Nasrin Akter
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Shaikh Mizanur Rahman
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore 7408, Bangladesh
| | - Md. Abdur Rauf Sarkar
- Department of Genetic Engineering and Biotechnology, Faculty of Biological Science and Technology, Jashore University of Science and Technology, Jashore 7408, Bangladesh
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8
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Xu J, Wang C, Wang F, Liu Y, Li M, Wang H, Zheng Y, Zhao K, Ji Z. PWL1, a G-type lectin receptor-like kinase, positively regulates leaf senescence and heat tolerance but negatively regulates resistance to Xanthomonas oryzae in rice. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:2525-2545. [PMID: 37578160 PMCID: PMC10651159 DOI: 10.1111/pbi.14150] [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: 05/16/2023] [Revised: 07/13/2023] [Accepted: 07/23/2023] [Indexed: 08/15/2023]
Abstract
Plant leaf senescence, caused by multiple internal and environmental factors, has an important impact on agricultural production. The lectin receptor-like kinase (LecRLK) family members participate in plant development and responses to biotic and abiotic stresses, but their roles in regulating leaf senescence remain elusive. Here, we identify and characterize a rice premature withered leaf 1 (pwl1) mutant, which exhibits premature leaf senescence throughout the plant life cycle. The pwl1 mutant displayed withered and whitish leaf tips, decreased chlorophyll content, and accelerated chloroplast degradation. Map-based cloning revealed an amino acid substitution (Gly412Arg) in LOC_Os03g62180 (PWL1) was responsible for the phenotypes of pwl1. The expression of PWL1 was detected in all tissues, but predominantly in tillering and mature leaves. PWL1 encodes a G-type LecRLK with active kinase and autophosphorylation activities. PWL1 is localized to the plasma membrane and can self-associate, mainly mediated by the plasminogen-apple-nematode (PAN) domain. Substitution of the PAN domain significantly diminished the self-interaction of PWL1. Moreover, the pwl1 mutant showed enhanced reactive oxygen species (ROS) accumulation, cell death, and severe DNA fragmentation. RNA sequencing analysis revealed that PWL1 was involved in the regulation of multiple biological processes, like carbon metabolism, ribosome, and peroxisome pathways. Meanwhile, interfering of biological processes induced by the PWL1 mutation also enhanced heat sensitivity and resistance to bacterial blight and bacterial leaf streak with excessive accumulation of ROS and impaired chloroplast development in rice. Natural variation analysis indicated more variations in indica varieties, and the vast majority of japonica varieties harbour the PWL1Hap1 allele. Together, our results suggest that PWL1, a member of LecRLKs, exerts multiple roles in regulating plant growth and development, heat-tolerance, and resistance to bacterial pathogens.
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Affiliation(s)
- Jiangmin Xu
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Chunlian Wang
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Fujun Wang
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
- Institute of Rice Research, Guangdong Academy of Agricultural SciencesGuangzhouChina
| | - Yapei Liu
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Man Li
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Hongjie Wang
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Yuhan Zheng
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Kaijun Zhao
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
| | - Zhiyuan Ji
- National Key Facility for Crop Gene Resources and Genetic ImprovementInstitute of Crop Sciences, Chinese Academy of Agricultural SciencesBeijingChina
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9
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Wang K, Li S, Yang Z, Chen C, Fu Y, Du H, Sun H, Li J, Zhao Q, Du C. L-type lectin receptor-like kinase OsCORK1 as an important negative regulator confers copper stress tolerance in rice. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132214. [PMID: 37544174 DOI: 10.1016/j.jhazmat.2023.132214] [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: 05/24/2023] [Revised: 07/24/2023] [Accepted: 08/02/2023] [Indexed: 08/08/2023]
Abstract
Copper (Cu) is vital for plant growth but becomes toxic in excess, posing potential threats to human health. Although receptor-like kinases (RLKs) have been studied in plant response to abiotic stresses, their roles in Cu stress response remain poorly understood. Therefore, we aimed to evaluate Cu toxicity effects on rice and elucidate its potential molecular mechanisms. Specifically, rice lectin-type RLK OsCORK1 (Copper-response receptor-like kinase 1) function in Cu stress response was investigated. RNA sequencing and expression assays revealed that OsCORK1 is mainly expressed in roots and leaves, and its expression was significantly induced by Cu stress time- and dose-dependently. Kinase activity assays demonstrated OsCORK1 as a Mn2+-preferred functional kinase. Genetically, OsCORK1 gene-edited mutants exhibited increased tolerance to Cu stress and reduced Cu accumulation compared to the wild type (WT). Conversely, OsCORK1 overexpression compromised the Cu stress tolerance observed in OsCORK1 gene-edited mutants. OsCORK1 gene-edited mutants slightly damaged the root tips compared to the WT under Cu stress. Furthermore, OsCORK1 was demonstrated to modulate Cu stress tolerance by mainly altering cell wall components, particularly lignin, in rice. Overall, OsCORK1 is an important negative regulator of Cu stress tolerance, providing a potential gene target to reduce Cu pollution in rice production.
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Affiliation(s)
- Ke Wang
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Shen Li
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Zhaoyan Yang
- Office of Information Management, Henan Agricultural University, Zhengzhou 450046, China
| | - Cong Chen
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Yihan Fu
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Haitao Du
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Hongzheng Sun
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Junzhou Li
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China
| | - Quanzhi Zhao
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China; Rice Industrial Technology Research Institute, Guizhou University, Guiyang 550025, China
| | - Changqing Du
- Key Laboratory of Henan Rice Biology, Collaborative Innovation Center of Henan Grain Crops, Post-doctoral station in Crop Science, College of Agronomy, Henan Agricultural University, Zhengzhou 450046, China.
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10
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Gandhi A, Oelmüller R. Emerging Roles of Receptor-like Protein Kinases in Plant Response to Abiotic Stresses. Int J Mol Sci 2023; 24:14762. [PMID: 37834209 PMCID: PMC10573068 DOI: 10.3390/ijms241914762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
The productivity of plants is hindered by unfavorable conditions. To perceive stress signals and to transduce these signals to intracellular responses, plants rely on membrane-bound receptor-like kinases (RLKs). These play a pivotal role in signaling events governing growth, reproduction, hormone perception, and defense responses against biotic stresses; however, their involvement in abiotic stress responses is poorly documented. Plant RLKs harbor an N-terminal extracellular domain, a transmembrane domain, and a C-terminal intracellular kinase domain. The ectodomains of these RLKs are quite diverse, aiding their responses to various stimuli. We summarize here the sub-classes of RLKs based on their domain structure and discuss the available information on their specific role in abiotic stress adaptation. Furthermore, the current state of knowledge on RLKs and their significance in abiotic stress responses is highlighted in this review, shedding light on their role in influencing plant-environment interactions and opening up possibilities for novel approaches to engineer stress-tolerant crop varieties.
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Affiliation(s)
| | - Ralf Oelmüller
- Matthias Schleiden Institute of Genetics, Bioinformatics and Molecular Botany, Department of Plant Physiology, Friedrich-Schiller-University, 07743 Jena, Germany;
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11
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Liu Y, Lin Y, Wei F, Lv Y, Xie F, Chen D, Lin H, Li Y. G-type receptor-like kinase AsNIP43 interacts with rhizobia effector nodulation outer protein P and is required for symbiosis. PLANT PHYSIOLOGY 2023; 193:1527-1546. [PMID: 37432453 PMCID: PMC10517198 DOI: 10.1093/plphys/kiad318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 04/27/2023] [Indexed: 07/12/2023]
Abstract
In the Rhizobium-Legume symbiosis, the nodulation outer protein P (NopP) effector is one of the key regulators for rhizobial infection and nodule organogenesis. However, the molecular mechanism through which host legume plants sense NopP remains largely unknown. Here, we constructed an nopP deletion mutant of Mesorhizobium huakuii and found that nopP negatively regulates nodulation on Chinese milk vetch (Astragalus sinicus). Screening for NopP interacting proteins in host plants using the yeast 2-hybrid system identified NopP interacting protein 43 (AsNIP43), which encodes a G-type receptor-like kinase (LecRLK). The B-lectin domain at the N terminus of AsNIP43 was essential in mediating its interaction with NopP, which was confirmed in vitro and in vivo. Subcellular localization, co-localization, and gene expression analyses showed that AsNIP43 and NopP function tightly associated with earlier infection events. RNA interference (RNAi) knockdown of AsNIP43 expression by hairy root transformation led to decreased nodule formation. AsNIP43 plays a positive role in symbiosis, which was further verified in the model legume Medicago truncatula. Transcriptome analysis indicated that MtRLK (a homolog of AsNIP43 in M. truncatula) may function to affect defense gene expression and thus to regulate early nodulation. Taken together, we show that LecRLK AsNIP43 is a legume host target that interacts with rhizobia effector NopP is essential for rhizobial infection and nodulation.
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Affiliation(s)
- Yuan Liu
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Ye Lin
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Feng Wei
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Yanfei Lv
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Fuli Xie
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Dasong Chen
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Hui Lin
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
| | - Youguo Li
- State Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei Province, China
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12
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Zhou D, Godinez-Vidal D, He J, Teixeira M, Guo J, Wei L, Van Norman JM, Kaloshian I. A G-type lectin receptor kinase negatively regulates Arabidopsis immunity against root-knot nematodes. PLANT PHYSIOLOGY 2023; 193:721-735. [PMID: 37103588 PMCID: PMC10469371 DOI: 10.1093/plphys/kiad253] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 06/19/2023]
Abstract
Root-knot nematodes (Meloidogyne spp., RKN) are responsible for extensive crop losses worldwide. During infection, they penetrate plant roots, migrate between plant cells, and establish feeding sites, known as giant cells, near the root vasculature. Previously, we found that nematode perception and early responses in plants were similar to those of microbial pathogens and required the BRI1-ASSOCIATED KINASE1/SOMATIC EMBRYOGENESIS RECEPTOR KINASE3 (BAK1/SERK3) coreceptor in Arabidopsis (Arabidopsis thaliana) and tomato (Solanum lycopersicum). Here, we implemented a reverse genetic screen for resistance or sensitivity to RKN using Arabidopsis T-DNA alleles of genes encoding transmembrane receptor-like kinases to identify additional receptors involved in this process. This screen identified a pair of allelic mutations with enhanced resistance to RKN in a gene we named ENHANCED RESISTANCE TO NEMATODES1 (ERN1). ERN1 encodes a G-type lectin receptor kinase (G-LecRK) with a single-pass transmembrane domain. Further characterization showed that ern1 mutants displayed stronger activation of MAP kinases, elevated levels of the defense marker MYB51, and enhanced H2O2 accumulation in roots upon RKN elicitor treatments. Elevated MYB51 expression and ROS bursts were also observed in leaves of ern1 mutants upon flg22 treatment. Complementation of ern1.1 with 35S- or native promoter-driven ERN1 rescued the RKN infection and enhanced defense phenotypes. Our results indicate that ERN1 is an important negative regulator of immunity.
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Affiliation(s)
- Dongmei Zhou
- Department of Nematology, University of California Riverside, Riverside, CA 92521, USA
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Key Lab of Food Quality and Safety of Jiangsu Province, Nanjing 210014, China
| | - Damaris Godinez-Vidal
- Department of Nematology, University of California Riverside, Riverside, CA 92521, USA
| | - Jiangman He
- Department of Nematology, University of California Riverside, Riverside, CA 92521, USA
| | - Marcella Teixeira
- Department of Nematology, University of California Riverside, Riverside, CA 92521, USA
| | - Jingzhe Guo
- Center for Plant Cell Biology, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA 92521, USA
| | - Lihui Wei
- Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Key Lab of Food Quality and Safety of Jiangsu Province, Nanjing 210014, China
| | - Jaimie M Van Norman
- Center for Plant Cell Biology, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA 92521, USA
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
| | - Isgouhi Kaloshian
- Department of Nematology, University of California Riverside, Riverside, CA 92521, USA
- Center for Plant Cell Biology, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA 92521, USA
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
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13
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Liu L, Liu J, Xu N. Ligand recognition and signal transduction by lectin receptor-like kinases in plant immunity. FRONTIERS IN PLANT SCIENCE 2023; 14:1201805. [PMID: 37396638 PMCID: PMC10311507 DOI: 10.3389/fpls.2023.1201805] [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: 04/07/2023] [Accepted: 05/31/2023] [Indexed: 07/04/2023]
Abstract
Lectin receptor-like kinases (LecRKs) locate on the cell membrane and play diverse roles in perceiving environmental factors in higher plants. Studies have demonstrated that LecRKs are involved in plant development and response to abiotic and biotic stresses. In this review, we summarize the identified ligands of LecRKs in Arabidopsis, including extracellular purine (eATP), extracellular pyridine (eNAD+), extracellular NAD+ phosphate (eNADP+) and extracellular fatty acids (such as 3-hydroxydecanoic acid). We also discussed the posttranslational modification of these receptors in plant innate immunity and the perspectives of future research on plant LecRKs.
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14
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Sun E, Yu H, Chen Z, Cai M, Mao X, Li Y, Zuo C. The enhanced Valsa canker resistance conferred by MdLecRK-S.4.3 in Pyrus betulifolia can be largely suppressed by PbePUB36. JOURNAL OF EXPERIMENTAL BOTANY 2023:erad126. [PMID: 37013998 DOI: 10.1093/jxb/erad126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Indexed: 06/19/2023]
Abstract
L-type lectin receptor-like kinases (L-LecRKs) act as a sensor of extracellular signals and an initiator for plant immune responses. However, the function of LecRK-S.4 on plant immunity has not been extensively investigated. At present, in the apple (Malus domestica) genome, we identified that MdLecRK-S.4.3, a homologous gene of LecRK-S.4, was differentially expressed during the occursion of Valsa canker. Over-expression of MdLecRK-S.4.3 facilitated the induction of immune response and enhanced the Valsa canker resistance of apple and pear fruit, and 'Duli-G03' (Pyrus betulifolia) suspension cells. On the contrary, the expression of PbePUB36, RLCK XI subfamily member, was significantly repressed in the MdLecRK-S.4.3 overexpressed cell lines. Over-expression of PbePUB36 interfered with the Valsa canker resistance and immune response caused by up-regulation of MdLecRK-S.4.3. Furthermore, MdLecRK-S.4.3 interacted with BAK1 or PbePUB36 in vivo. In conclusion, MdLecRK-S.4.3 activated various immune responses and positively regulate Valsa canker resistance, which could be largely compromised by PbePUB36. MdLecRK-S.4.3 interacted with PbePUB36 and/or MdBAK1 to mediate the immune responses. This finding provides a reference for studying the molecular mechanism of resistance to Valsa canker and resistance breeding.
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Affiliation(s)
- E Sun
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Hongqiang Yu
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Zhongjian Chen
- Agro-Biological Gene Research Center, Guangdong Academy of Agriculture, Guangzhou 510640, China
| | - Minrui Cai
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Xia Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Yanyan Li
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Cunwu Zuo
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
- State Key Laboratory of Aridland Crop Science, Lanzhou 730070, China
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15
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Moghadam A, Foroozan E, Tahmasebi A, Taghizadeh MS, Bolhassani M, Jafari M. System network analysis of Rosmarinus officinalis transcriptome and metabolome-Key genes in biosynthesis of secondary metabolites. PLoS One 2023; 18:e0282316. [PMID: 36862714 PMCID: PMC9980811 DOI: 10.1371/journal.pone.0282316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 02/13/2023] [Indexed: 03/03/2023] Open
Abstract
Medicinal plants contain valuable compounds that have attracted worldwide interest for their use in the production of natural drugs. The presence of compounds such as rosmarinic acid, carnosic acid, and carnosol in Rosmarinus officinalis has made it a plant with unique therapeutic effects. The identification and regulation of the biosynthetic pathways and genes will enable the large-scale production of these compounds. Hence, we studied the correlation between the genes involved in biosynthesis of the secondary metabolites in R. officinalis using proteomics and metabolomics data by WGCNA. We identified three modules as having the highest potential for the metabolite engineering. Moreover, the hub genes highly connected to particular modules, TFs, PKs, and transporters were identified. The TFs of MYB, C3H, HB, and C2H2 were the most likely candidates associated with the target metabolic pathways. The results indicated that the hub genes including Copalyl diphosphate synthase (CDS), Phenylalanine ammonia lyase (PAL), Cineole synthase (CIN), Rosmarinic acid synthase (RAS), Tyrosine aminotransferase (TAT), Cinnamate 4-hydroxylase (C4H), and MYB58 are responsible for biosynthesis of important secondary metabolites. Thus, we confirmed these results using qRT-PCR after treating R. officinalis seedlings with methyl jasmonate. These candidate genes may be employed for genetic and metabolic engineering research to increase R. officinalis metabolite production.
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Affiliation(s)
- Ali Moghadam
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
| | - Eisa Foroozan
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
| | | | | | | | - Morteza Jafari
- Institute of Biotechnology, Shiraz University, Shiraz, Iran
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16
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Matthus E, Ning Y, Shafiq F, Davies JM. Phosphate-deprivation and damage signalling by extracellular ATP. FRONTIERS IN PLANT SCIENCE 2023; 13:1098146. [PMID: 36714742 PMCID: PMC9879614 DOI: 10.3389/fpls.2022.1098146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 12/19/2022] [Indexed: 06/18/2023]
Abstract
Phosphate deprivation compromises plant productivity and modulates immunity. DAMP signalling by extracellular ATP (eATP) could be compromised under phosphate deprivation by the lowered production of cytosolic ATP and the need to salvage eATP as a nutritional phosphate source. Phosphate-starved roots of Arabidopsis can still sense eATP, indicating robustness in receptor function. However, the resultant cytosolic free Ca2+ signature is impaired, indicating modulation of downstream components. This perspective on DAMP signalling by extracellular ATP (eATP) addresses the salvage of eATP under phosphate deprivation and its promotion of immunity, how Ca2+ signals are generated and how the Ca2+ signalling pathway could be overcome to allow beneficial fungal root colonization to fulfill phosphate demands. Safe passage for an endophytic fungus allowing root colonization could be achieved by its down-regulation of the Ca2+ channels that act downstream of the eATP receptors and by also preventing ROS accumulation, thus further impairing DAMP signalling.
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Affiliation(s)
- Elsa Matthus
- Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
| | - Youzheng Ning
- Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom
| | - Fahad Shafiq
- Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom
- Institute of Molecular Biology and Biotechnology (IMBB), The University of Lahore, Punjab, Pakistan
| | - Julia M. Davies
- Department of Plant Sciences, University of Cambridge, Cambridge, United Kingdom
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17
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Subramani M, Urrea CA, Habib R, Bhide K, Thimmapuram J, Kalavacharla V. Comparative Transcriptome Analysis of Tolerant and Sensitive Genotypes of Common Bean ( Phaseolus vulgaris L.) in Response to Terminal Drought Stress. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12010210. [PMID: 36616341 PMCID: PMC9824821 DOI: 10.3390/plants12010210] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/06/2022] [Accepted: 12/14/2022] [Indexed: 06/10/2023]
Abstract
We conducted a genome-wide transcriptomic analysis of three drought tolerant and sensitive genotypes of common bean to examine their transcriptional responses to terminal drought stress. We then conducted pairwise comparisons between the root and leaf transcriptomes from the resulting tissue based on combined transcriptomic data from the tolerant and sensitive genotypes. Our transcriptomic data revealed that 491 (6.4%) DEGs (differentially expressed genes) were upregulated in tolerant genotypes, whereas they were downregulated in sensitive genotypes; likewise, 396 (5.1%) DEGs upregulated in sensitive genotypes were downregulated in tolerant genotypes. Several transcription factors, heat shock proteins, and chaperones were identified in the study. Several DEGs in drought DB (data Base) overlapped between genotypes. The GO (gene ontology) terms for biological processes showed upregulation of DEGs in tolerant genotypes for sulfate and drug transmembrane transport when compared to sensitive genotypes. A GO term for cellular components enriched with upregulated DEGs for the apoplast in tolerant genotypes. These results substantiated the temporal pattern of root growth (elongation and initiation of root growth), and ABA-mediated drought response in tolerant genotypes. KEGG (kyoto encyclopedia of genes and genomes) analysis revealed an upregulation of MAPK (mitogen activated protein kinase) signaling pathways and plant hormone signaling pathways in tolerant genotypes. As a result of this study, it will be possible to uncover the molecular mechanisms of drought tolerance in response to terminal drought stress in the field. Further, genome-wide transcriptomic analysis of both tolerant and sensitive genotypes will assist us in identifying potential genes that may contribute to improving drought tolerance in the common bean.
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Affiliation(s)
- Mayavan Subramani
- Molecular Genetics and Epigenomics Laboratory, College of Agriculture, Science and Technology (CAST), Delaware State University, Dover, DE 19901, USA
| | - Carlos A. Urrea
- Panhandle Research and Extension Center, University of Nebraska, 4502 Avenue I, Scottsbluff, NE 69361, USA
| | - Rasheed Habib
- Molecular Genetics and Epigenomics Laboratory, College of Agriculture, Science and Technology (CAST), Delaware State University, Dover, DE 19901, USA
| | - Ketaki Bhide
- Bioinformatics Core, Purdue University, West Lafayette, IN 47907, USA
| | | | - Venu Kalavacharla
- Molecular Genetics and Epigenomics Laboratory, College of Agriculture, Science and Technology (CAST), Delaware State University, Dover, DE 19901, USA
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18
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Yu H, Sun E, Mao X, Chen Z, Xu T, Zuo L, Jiang D, Cao Y, Zuo C. Evolutionary and functional analysis reveals the crucial roles of receptor-like proteins in resistance to Valsa canker in Rosaceae. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:162-177. [PMID: 36255986 DOI: 10.1093/jxb/erac417] [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: 07/16/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Rosaceae is an economically important plant family that can be affected by a multitude of pathogenic microbes, some of which can cause dramatic losses in production. As a type of pattern-recognition receptor, receptor-like proteins (RLPs) are considered vital regulators of plant immunity. Based on genome-wide identification, bioinformatic analysis, and functional determination, we investigated the evolutionary characteristics of RLPs, and specifically those that regulate Valsa canker, a devastating fungal disease affecting apple and pear production. A total of 3028 RLPs from the genomes of 19 species, including nine Rosaceae, were divided into 24 subfamilies. Five subfamilies and seven co-expression modules were found to be involved in the responses to Valsa canker signals of the resistant pear rootstock Pyrus betulifolia 'Duli-G03'. Fourteen RLPs were subsequently screened as candidate genes for regulation of resistance. Among these, PbeRP23 (Chr13.g24394) and PbeRP27 (Chr16.g31400) were identified as key resistance genes that rapidly enhance the resistance of 'Duli-G03' and strongly initiate immune responses, and hence they have potential for further functional exploration and breeding applications for resistance to Valsa canker. In addition, as a consequence of this work we have established optimal methods for the classification and screening of disease-resistant RLPs.
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Affiliation(s)
- Hongqiang Yu
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - E Sun
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Xia Mao
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Zhongjian Chen
- Agro-Biological Gene Research Center, Guangdong Academy of Agriculture, Guangzhou, 510640, China
| | - Tong Xu
- Chengdu Life Baseline Technology Co, Ltd, Chengdu, 610041, China
| | - Longgang Zuo
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Daji Jiang
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Yanan Cao
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
| | - Cunwu Zuo
- College of Horticulture, Gansu Agricultural University, Lanzhou, Gansu, 730070, China
- State Key Laboratory of Aridland Crop Science, Lanzhou 730070, China
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Khatun M, Monir MM, Lou X, Zhu J, Xu H. Genome-wide association studies revealed complex genetic architecture and breeding perspective of maize ear traits. BMC PLANT BIOLOGY 2022; 22:537. [PMID: 36397013 PMCID: PMC9673299 DOI: 10.1186/s12870-022-03913-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Maize (Zea Mays) is one of the world's most important crops. Hybrid maize lines resulted a major improvement in corn production in the previous and current centuries. Understanding the genetic mechanisms of the corn production associated traits greatly facilitate the development of superior hybrid varieties. RESULT In this study, four ear traits associated with corn production of Nested Association Mapping (NAM) population were analyzed using a full genetic model, and further, optimal genotype combinations and total genetic effects of current best lines, superior lines, and superior hybrids were predicted for each of the traits at four different locations. The analysis identified 21-34 highly significant SNPs (-log10P > 5), with an estimated total heritability of 37.31-62.34%, while large contributions to variations was due to dominance, dominance-related epistasis, and environmental interaction effects ([Formula: see text] 14.06% ~ 49.28%), indicating these factors contributed significantly to phenotypic variations of the ear traits. Environment-specific genetic effects were also discovered to be crucial for maize ear traits. There were four SNPs found for three ear traits: two for ear length and weight, and two for ear row number and length. Using the Enumeration method and the stepwise tuning technique, optimum multi-locus genotype combinations for superior lines were identified based on the information obtained from GWAS. CONCLUSIONS Predictions of genetic breeding values showed that different genotype combinations in different geographical regions may be better, and hybrid-line variety breeding with homozygote and heterozygote genotype combinations may have a greater potential to improve ear traits.
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Affiliation(s)
- Mita Khatun
- Institute of Crop Science and Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Md Mamun Monir
- Institute of Crop Science and Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Xiangyang Lou
- Department of Biostatistics, University of Florida, Gainesville, FL, 32611, USA
| | - Jun Zhu
- Institute of Crop Science and Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Haiming Xu
- Institute of Crop Science and Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China.
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20
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Xie P, Liu J, Lu R, Zhang Y, Sun X. Molecular evolution of the Pi-d2 gene conferring resistance to rice blast in Oryza. Front Genet 2022; 13:991900. [PMID: 36147495 PMCID: PMC9486079 DOI: 10.3389/fgene.2022.991900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 08/10/2022] [Indexed: 11/15/2022] Open
Abstract
The exploitation of plant disease resistance (R) genes in breeding programs is an effective strategy for coping with pathogens. An understanding of R gene variation is the basis for this strategy. Rice blast disease, caused by the Magnaporthe oryzae fungus, is a destructive disease of rice. The rice blast resistance gene Pi-d2 represents a new class of plant R gene because of its novel extracellular domain. We investigated the nucleotide polymorphism, phylogenetic topology and evolution patterns of the Pi-d2 gene among 67 cultivated and wild rice relatives. The Pi-d2 gene originated early in the basal Poales and has remained as a single gene without expansion. The striking finding is that susceptible Pi-d2 alleles might be derived from a single nucleotide substitution of the resistant alleles after the split of Oryza subspecies. Functional pleiotropy and linkage effects are proposed for the evolution and retention of the disease-susceptible alleles in rice populations. One set of DNA primers was developed from the polymorphic position to detect the functional nucleotide polymorphism for disease resistance of the Pi-d2 gene based on conventional Polymerase Chain Reaction. The nucleotide diversity level varied between different domains of the Pi-d2 gene, which might be related to distinct functions of each domain in the disease defense response. Directional (or purifying) selection appears dominant in the molecular evolution of the Pi-d2 gene and has shaped its conserved variation pattern.
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Affiliation(s)
| | | | | | | | - Xiaoqin Sun
- *Correspondence: Yanmei Zhang, ; Xiaoqin Sun,
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21
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Baez LA, Tichá T, Hamann T. Cell wall integrity regulation across plant species. PLANT MOLECULAR BIOLOGY 2022; 109:483-504. [PMID: 35674976 PMCID: PMC9213367 DOI: 10.1007/s11103-022-01284-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 05/05/2022] [Indexed: 05/05/2023]
Abstract
Plant cell walls are highly dynamic and chemically complex structures surrounding all plant cells. They provide structural support, protection from both abiotic and biotic stress as well as ensure containment of turgor. Recently evidence has accumulated that a dedicated mechanism exists in plants, which is monitoring the functional integrity of cell walls and initiates adaptive responses to maintain integrity in case it is impaired during growth, development or exposure to biotic and abiotic stress. The available evidence indicates that detection of impairment involves mechano-perception, while reactive oxygen species and phytohormone-based signaling processes play key roles in translating signals generated and regulating adaptive responses. More recently it has also become obvious that the mechanisms mediating cell wall integrity maintenance and pattern triggered immunity are interacting with each other to modulate the adaptive responses to biotic stress and cell wall integrity impairment. Here we will review initially our current knowledge regarding the mode of action of the maintenance mechanism, discuss mechanisms mediating responses to biotic stresses and highlight how both mechanisms may modulate adaptive responses. This first part will be focused on Arabidopsis thaliana since most of the relevant knowledge derives from this model organism. We will then proceed to provide perspective to what extent the relevant molecular mechanisms are conserved in other plant species and close by discussing current knowledge of the transcriptional machinery responsible for controlling the adaptive responses using selected examples.
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Affiliation(s)
- Luis Alonso Baez
- Institute for Biology, Faculty of Natural Sciences, Norwegian University of Science and Technology, 5 Høgskoleringen, 7491, Trondheim, Norway
| | - Tereza Tichá
- Institute for Biology, Faculty of Natural Sciences, Norwegian University of Science and Technology, 5 Høgskoleringen, 7491, Trondheim, Norway
| | - Thorsten Hamann
- Institute for Biology, Faculty of Natural Sciences, Norwegian University of Science and Technology, 5 Høgskoleringen, 7491, Trondheim, Norway.
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22
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Zhang Y, Fang Q, Zheng J, Li Z, Li Y, Feng Y, Han Y, Li Y. GmLecRlk, a Lectin Receptor-like Protein Kinase, Contributes to Salt Stress Tolerance by Regulating Salt-Responsive Genes in Soybean. Int J Mol Sci 2022; 23:1030. [PMID: 35162952 PMCID: PMC8835537 DOI: 10.3390/ijms23031030] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/13/2022] [Accepted: 01/14/2022] [Indexed: 12/12/2022] Open
Abstract
Soybean [Glycine max (L.) Merr.] is an important oil crop that provides valuable resources for human consumption, animal feed, and biofuel. Through the transcriptome analysis in our previous study, GmLecRlk (Glyma.07G005700) was identified as a salt-responsive candidate gene in soybean. In this study, qRT-PCR analysis showed that the GmLecRlk gene expression level was significantly induced by salt stress and highly expressed in soybean roots. The pCAMBIA3300-GmLecRlk construct was generated and introduced into the soybean genome by Agrobacterium rhizogenes. Compared with the wild type (WT), GmLecRlk overexpressing (GmLecRlk-ox) soybean lines had significantly enhanced fresh weight, proline (Pro) content, and catalase (CAT) activity, and reduced malondialdehyde (MDA) and H2O2 content under salt stress. These results show that GmLecRlk gene enhanced ROS scavenging ability in response to salt stress in soybean. Meanwhile, we demonstrated that GmLecRlk gene also conferred soybean salt tolerance when it was overexpressed alone in soybean hairy root. Furthermore, the combination of RNA-seq and qRT-PCR analysis was used to determine that GmLecRlk improves the salt tolerance of soybean by upregulating GmERF3, GmbHLH30, and GmDREB2 and downregulating GmGH3.6, GmPUB8, and GmLAMP1. Our research reveals a new mechanism of salt resistance in soybean, which exposes a novel avenue for the cultivation of salt-resistant varieties.
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Affiliation(s)
| | | | | | | | | | | | - Yingpeng Han
- Key Laboratory of Soybean Biology of Ministry of Education China, Key Laboratory of Soybean Biology and Breeding (Genetics) of Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin 150030, China; (Y.Z.); (Q.F.); (J.Z.); (Z.L.); (Y.L.); (Y.F.)
| | - Yongguang Li
- Key Laboratory of Soybean Biology of Ministry of Education China, Key Laboratory of Soybean Biology and Breeding (Genetics) of Ministry of Agriculture and Rural Affairs, Northeast Agricultural University, Harbin 150030, China; (Y.Z.); (Q.F.); (J.Z.); (Z.L.); (Y.L.); (Y.F.)
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23
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Yu N, Sun H, Yang J, Li R. The Diesel Tree Sindora glabra Genome Provides Insights Into the Evolution of Oleoresin Biosynthesis. FRONTIERS IN PLANT SCIENCE 2022; 12:794830. [PMID: 35058955 PMCID: PMC8764381 DOI: 10.3389/fpls.2021.794830] [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: 10/15/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Sindora glabra is an economically important tree that produces abundant oleoresin in the trunk. Here, we present a high-quality chromosome-scale assembly of S. glabra genome by combining Illumina HiSeq, Pacific Biosciences sequencing, and Hi-C technologies. The size of S. glabra genome was 1.11 Gb, with a contig N50 of 1.27 Mb and 31,944 predicted genes. This is the first sequenced genome of the subfamily Caesalpinioideae. As a sister taxon to Papilionoideae, S. glabra underwent an ancient genome triplication shared by core eudicots and further whole-genome duplication shared by early-legume in the last 73.3 million years. S. glabra harbors specific genes and expanded genes largely involved in stress responses and biosynthesis of secondary metabolites. Moreover, 59 terpene backbone biosynthesis genes and 64 terpene synthase genes were identified, which together with co-expressed transcription factors could contribute to the diversity and specificity of terpene compounds and high terpene content in S. glabra stem. In addition, 63 disease resistance NBS-LRR genes were found to be unique in S. glabra genome and their expression levels were correlated with the accumulation of terpene profiles, suggesting potential defense function of terpenes in S. glabra. These together provide new resources for understanding genome evolution and oleoresin production.
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Affiliation(s)
- Niu Yu
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, China
| | - Haixi Sun
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Jinchang Yang
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, China
| | - Rongsheng Li
- State Key Laboratory of Tree Genetics and Breeding, Research Institute of Tropical Forestry, Chinese Academy of Forestry, Guangzhou, China
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24
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Van Damme EJM. 35 years in plant lectin research: a journey from basic science to applications in agriculture and medicine. Glycoconj J 2022; 39:83-97. [PMID: 34427812 PMCID: PMC8383723 DOI: 10.1007/s10719-021-10015-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 06/30/2021] [Accepted: 07/29/2021] [Indexed: 02/07/2023]
Abstract
Plants contain an extended group of lectins differing from each other in their molecular structures, biochemical properties and carbohydrate-binding specificities. The heterogeneous group of plant lectins can be classified in several families based on the primary structure of the lectin domain. All proteins composed of one or more lectin domains, or having a domain architecture including one or more lectin domains in combination with other protein domains can be defined as lectins. Plant lectins reside in different cell compartments, and depending on their location will encounter a large variety carbohydrate structures, allowing them to be involved in multiple biological functions. Over the years lectins have been studied intensively for their carbohydrate-binding properties and biological activities, which also resulted in diverse applications. The present overview on plant lectins especially focuses on the structural and functional characteristics of plant lectins and their applications for crop improvement, glycobiology and biomedical research.
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Affiliation(s)
- Els J. M. Van Damme
- Laboratory of Glycobiology and Biochemistry, Department of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
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25
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De Coninck T, Van Damme EJM. Review: The multiple roles of plant lectins. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 313:111096. [PMID: 34763880 DOI: 10.1016/j.plantsci.2021.111096] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/14/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
For decades, the biological roles of plant lectins remained obscure and subject to speculation. With the advent of technological and scientific progress, researchers have compiled a vast amount of information regarding the structure, biological activities and functionality of hundreds of plant lectins. Data mining of genomes and transcriptome sequencing and high-throughput analyses have resulted in new insights. This review aims to provide an overview of what is presently known about plant lectins, highlighting their versatility and the importance of plant lectins for a multitude of biological processes, such as plant development, immunity, stress signaling and regulation of gene expression. Though lectins primarily act as readers of the glycocode, the multiple roles of plant lectins suggest that their functionality goes beyond carbohydrate-recognition.
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Affiliation(s)
- Tibo De Coninck
- Laboratory of Glycobiology & Biochemistry, Dept. of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Els J M Van Damme
- Laboratory of Glycobiology & Biochemistry, Dept. of Biotechnology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
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26
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Identification and Analysis of Genes Involved in Double Fertilization in Rice. Int J Mol Sci 2021; 22:ijms222312850. [PMID: 34884656 PMCID: PMC8657449 DOI: 10.3390/ijms222312850] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/24/2021] [Accepted: 11/24/2021] [Indexed: 12/27/2022] Open
Abstract
Double fertilization is a key determinant of grain yield, and the failure of fertilization during hybridization is one important reason for reproductive isolation. Therefore, fertilization has a very important role in the production of high-yield and well-quality hybrid of rice. Here, we used RNA sequencing technology to study the change of the transcriptome during double fertilization with the help of the mutant fertilization barrier (feb) that failed to finish fertilization process and led to seed abortion. The results showed that 1669 genes were related to the guided growth of pollen tubes, 332 genes were involved in the recognition and fusion of the male–female gametes, and 430 genes were associated with zygote formation and early free endosperm nuclear division. Among them, the genes related to carbohydrate metabolism; signal transduction pathways were enriched in the guided growth of pollen tubes, the genes involved in the photosynthesis; fatty acid synthesis pathways were activated by the recognition and fusion of the male–female gametes; and the cell cycle-related genes might play an essential role in zygote formation and early endosperm nuclear division. Furthermore, among the 1669 pollen tube-related genes, it was found that 7 arabinogalactan proteins (AGPs), 1 cysteine-rich peptide (CRP), and 15 receptor-like kinases (RLKs) were specifically expressed in anther, while 2 AGPs, 7 CRPs, and 5 RLKs in pistil, showing obvious unequal distribution which implied they might play different roles in anther and pistil during fertilization. These studies laid a solid foundation for revealing double fertilization mechanism of rice and for the follow-up investigation.
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27
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Zeng M, Wan B, Wang L, Chen Z, Lin Y, Ye W, Wang Y, Wang Y. Identification and characterization of L-type lectin receptor-like kinases involved in Glycine max-Phytophthora sojae interaction. PLANTA 2021; 254:128. [PMID: 34812941 DOI: 10.1007/s00425-021-03789-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 11/15/2021] [Indexed: 06/13/2023]
Abstract
MAIN CONCLUSION Soybean contains a group of 64 L-type lectin receptor-like kinases. Three LecRKs were involved in the interactions with Phytophthora sojae and Bradyrhizobium diazoefficiens. L-type lectin receptor-like kinases (LecRKs) comprise an important class of membrane-localized receptor-like kinases that are involved in plant adaptation. In this study, we performed an inventory analysis of LecRKs in Glycine max (soybean). In total, 64 GmLecRKs containing the canonical LecRK feature were identified. Phylogenetic analysis revealed that 48 GmLecRKs have close orthologs in Arabidopsis or Solanum lycopersicum, while 16 are likely present only in the leguminous plant species. Transcriptome analyses revealed that expressions of multiple GmLecRK genes are either induced or suppressed during infection by the soybean root rot pathogen Phytophthora sojae. In addition, overexpression of the three LecRKs (Glyma.17G085000, Glyma.05G041300 or Glyma.17G224600) in the soybean hairy roots enhanced resistance to P. sojae. Upon inoculation with Bradyrhizobium diazoefficiens, overexpression of Glyma.17G085000 in the soybean hairy roots does not significantly influence the nodulation, while overexpression of Glyma.05G041300 or Glyma.17G224600 slightly reduced the number and dry weight of nodules. This study highlights the importance of LecRKs in regulating plant-microbe interactions and provides new knowledge on the deployment of LecRKs to increase resistance in soybean.
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Affiliation(s)
- Mengzhu Zeng
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Bowen Wan
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Lei Wang
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Zhiyuan Chen
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Yachun Lin
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Wenwu Ye
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), Nanjing, Jiangsu, China
| | - Yan Wang
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China.
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China.
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), Nanjing, Jiangsu, China.
| | - Yuanchao Wang
- Department of Plant Pathology, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, Jiangsu, China
- The Key Laboratory of Integrated Management of Crop Diseases and Pests (Ministry of Education), Nanjing, Jiangsu, China
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Xiao W, Hu S, Zou X, Cai R, Liao R, Lin X, Yao R, Guo X. Lectin receptor-like kinase LecRK-VIII.2 is a missing link in MAPK signaling-mediated yield control. PLANT PHYSIOLOGY 2021; 187:303-320. [PMID: 34618128 PMCID: PMC8418426 DOI: 10.1093/plphys/kiab241] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/01/2021] [Indexed: 05/13/2023]
Abstract
The energy allocation for vegetative and reproductive growth is regulated by developmental signals and environmental cues, which subsequently affects seed output. However, the molecular mechanism underlying how plants coordinate yield-related traits to control yield in changing source-sink relationships remains largely unknown. Here, we discovered the lectin receptor-like kinase LecRK-VIII.2 as a specific receptor-like kinase that coordinates silique number, seed size, and seed number to determine seed yield in Arabidopsis (Arabidopsis thaliana). The lecrk-VIII.2 mutants develop smaller seeds, but more siliques and seeds, leading to increased yield. In contrast, the plants overexpressing LecRK-VIII.2 form bigger seeds, but less siliques and seeds, which results in similar yield to that of wild-type plants. Interestingly, LecRK-VIII.2 promotes the growth of the rosette, root, and stem by coordinating the source-sink relationship. Additionally, LecRK-VIII.2 positively regulates cell expansion and proliferation in the seed coat, and maternally controls seed size. The genetic and biochemical analyses demonstrated that LecRK-VIII.2 acts upstream of the mitogen-activated protein kinase (MAPK) gene MPK6 to regulate silique number, seed size, and seed number. Collectively, these findings uncover LecRK-VIII.2 as an upstream component of the MAPK signaling pathway to control yield-related traits and suggest its potential for crop improvement aimed at developing plants with stable yield, a robust root system, and improved lodging resistance.
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Affiliation(s)
- Wenjun Xiao
- College of Biology, Hunan University, Changsha 410082, China
| | - Shuai Hu
- School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xiaoxiao Zou
- College of Biology, Hunan University, Changsha 410082, China
| | - Ruqiong Cai
- College of Biology, Hunan University, Changsha 410082, China
| | - Rui Liao
- College of Biology, Hunan University, Changsha 410082, China
| | - Xiaoxia Lin
- College of Biology, Hunan University, Changsha 410082, China
| | - Ruifeng Yao
- College of Biology, Hunan University, Changsha 410082, China
| | - Xinhong Guo
- College of Biology, Hunan University, Changsha 410082, China
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Liu C, Dong X, Xu Y, Dong Q, Wang Y, Gai Y, Ji X. Transcriptome and DNA Methylome Reveal Insights Into Phytoplasma Infection Responses in Mulberry ( Morus multicaulis Perr.). FRONTIERS IN PLANT SCIENCE 2021; 12:697702. [PMID: 34413866 PMCID: PMC8369481 DOI: 10.3389/fpls.2021.697702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/05/2021] [Indexed: 06/01/2023]
Abstract
To reveal whether the response of mulberry to phytoplasma infection is associated with genome-wide DNA methylation changes, the methylome and transcriptome patterns of mulberry in response to phytoplasma infection were explored. Though the average methylation level of the infected leaves showed no significant difference from that of healthy leaves, there were 1,253 differentially methylated genes (DMGs) and 1,168 differentially expressed genes (DEGs) in the infected leaves, and 51 genes were found simultaneously to be differently methylated and expressed. It was found that the expression of G-type lectin S-receptor-like serine/threonine protein kinase gene (Mu-GsSRK) was increased, but its methylation level was decreased in the pathogen-infected or salicylic acid (SA)-treated leaves. Overexpression of Mu-GsSRK in Arabidopsis and in the hairy roots of mulberry enhanced transgenic plant resistance to the phytoplasma. Moreover, overexpression of Mu-GsSRK enhanced the expressions of pathogenesis-related protein 1, plant defensin, and cytochrome P450 protein CYP82C2 genes in transgenic plants inoculated with pathogens, which may contribute to the enhanced disease resistance against various pathogens. Finally, the DNA methylation dynamic patterns and functions of the differentially expressed and methylated genes were discussed. The results suggested that DNA methylation has important roles in mulberry responses to phytoplasma infection.
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Affiliation(s)
- Chaorui Liu
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China
- College of Forestry, Shandong Agricultural University, Taian, China
| | - Xiaonan Dong
- College of Forestry, Shandong Agricultural University, Taian, China
| | - Yuqi Xu
- College of Forestry, Shandong Agricultural University, Taian, China
| | - Qing Dong
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China
| | - Yuqi Wang
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China
| | - Yingping Gai
- State Key Laboratory of Crop Biology, Shandong Agricultural University, Taian, China
| | - Xianling Ji
- College of Forestry, Shandong Agricultural University, Taian, China
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Han H, Mu X, Wang P, Wang Z, Fu H, Gao YG, Du J. Identification of LecRLK gene family in Cerasus humilis through genomic-transcriptomic data mining and expression analyses. PLoS One 2021; 16:e0254535. [PMID: 34252163 PMCID: PMC8274838 DOI: 10.1371/journal.pone.0254535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/29/2021] [Indexed: 11/18/2022] Open
Abstract
Lectin receptor-like protein kinases (LecRLKs) have been shown to be involved in plants’ responses to various biotic and abiotic stresse factors. Cerasus humilis is an important fruit species widely planted for soil and water conservation in northern China due to its strong tolerance to drought and salinity stresses. In this study, a total of 170 LecRLK family genes (125 G-types, 43 L-types and 2 C-types) were identified in the newly released whole-genome sequences of C. humilis. Furthermore, nine representative LecRLK genes in young plants of C. humilis under varying drought and salinity stresses were selected for qRT-PCR analysis. Our systematic comparative analyses revealed the active participation of these nine LecRLK genes in the salt and drought stress responses of C. humilis. The results from our study have provided a solid foundation for future functional verification of these LecRLK family genes and will likely help facilitate the more rapid and effective development of new stress resistant Cerasus humilis cultivars.
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Affiliation(s)
- Hongyan Han
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
- Department of Biological Science and Technology, Jinzhong University, Jinzhong, Yuci, Shanxi, P. R. China
| | - Xiaopeng Mu
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Pengfei Wang
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Zewen Wang
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Hongbo Fu
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
| | - Yu Gary Gao
- OSU South Centers, The Ohio State University, Piketon, Ohio, United States of America
- Department of Extension, The Ohio State University, Columbus, Ohio, United States of America
| | - Junjie Du
- College of Horticulture, Shanxi Agricultural University, Taigu, Shanxi, P. R. China
- Shanxi Key Laboratory of Germplasm Improvement and Utilization in Pomology, Taigu, Shanxi, P. R. China
- * E-mail:
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He Z, Zou T, Xiao Q, Yuan G, Liu M, Tao Y, Zhou D, Zhang X, Deng Q, Wang S, Zheng A, Zhu J, Liang Y, Yu X, Wang A, Liu H, Wang L, Li P, Li S. An L-type lectin receptor-like kinase promotes starch accumulation during rice pollen maturation. Development 2021; 148:dev.196378. [PMID: 33658224 DOI: 10.1242/dev.196378] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 02/22/2021] [Indexed: 01/27/2023]
Abstract
Starch accumulation is key for the maturity of rice pollen grains; however, the regulatory mechanism underlying this process remains unknown. Here, we have isolated a male-sterile rice mutant, abnormal pollen 1 (ap1), which produces nonviable pollen grains with defective starch accumulation. Functional analysis revealed that AP1 encodes an active L-type lectin receptor-like kinase (L-LecRLK). AP1 is localized to the plasma membrane and its transcript is highly accumulated in pollen during the starch synthesis phase. RNA-seq and phosphoproteomic analysis revealed that the expression/phosphorylation levels of numerous genes/proteins involved in starch and sucrose metabolism pathway were significantly altered in the mutant pollen, including a known rice UDP-glucose pyrophosphorylase (OsUGP2). We further found that AP1 physically interacts with OsUGP2 to elevate its enzymatic activity, likely through targeted phosphorylation. These findings revealed a novel role of L-LecRLK in controlling pollen maturity via modulating sucrose and starch metabolism.
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Affiliation(s)
- Zhiyuan He
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Ting Zou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Qiao Xiao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Guoqiang Yuan
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Miaomiao Liu
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Tao
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Dan Zhou
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Xu Zhang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Qiming Deng
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Shiquan Wang
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Aiping Zheng
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Jun Zhu
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Yueyang Liang
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiumei Yu
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Aijun Wang
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
| | - Huainian Liu
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Lingxia Wang
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Ping Li
- State Key Laboratory of Hybrid Rice, Rice Research Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Shuangcheng Li
- State Key Laboratory of Crop Gene Exploration and Utilization in Southwest China, Sichuan Agricultural University, Chengdu 611130, China
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Sun L, Zhang J. Regulatory role of receptor-like cytoplasmic kinases in early immune signaling events in plants. FEMS Microbiol Rev 2021; 44:845-856. [PMID: 32717059 DOI: 10.1093/femsre/fuaa035] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 07/25/2020] [Indexed: 12/22/2022] Open
Abstract
Receptor-like cytoplasmic kinases (RLCKs) play crucial roles in regulating plant development and immunity. Conserved pathogen-associated molecular patterns (PAMPs) derived from microbes are recognized by plant pattern recognition receptors to activate PAMP-triggered immunity (PTI). Microbial effectors, whose initial function is to promote virulence, are recognized by plant intracellular nucleotide-binding domain and leucine-rich repeat receptors (NLRs) to initiate effector-triggered immunity (ETI). Both PTI and ETI trigger early immune signaling events including the production of reactive oxygen species, induction of calcium influx and activation of mitogen-activated protein kinases. Research progress has revealed the important roles of RLCKs in the regulation of early PTI signaling. Accordingly, RLCKs are often targeted by microbial effectors that are evolved to evade PTI via diverse modulations. In some cases, modulation of RLCKs by microbial effectors triggers the activation of NLRs. This review covers the mechanisms by which RLCKs engage diverse substrates to regulate early PTI signaling and the regulatory roles of RLCKs in triggering NLR activation. Accumulating evidence suggests evolutionary links and close connections between PAMP- and effector-triggered early immune signaling that are mediated by RLCKs. As key immune regulators, RLCKs can be considered targets with broad prospects for the improvement of plant resistance via genetic engineering.
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Affiliation(s)
- Lifan Sun
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, No.1 Beichen West Road, Beijing 100101, China.,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Beijing 100049, China
| | - Jie Zhang
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, No.1 Beichen West Road, Beijing 100101, China.,CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Beijing 100049, China
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Genome-Wide Characterization of Lectin Receptor Kinases in Saccharum spontaneum L. and Their Responses to Stagonospora tainanensis Infection. PLANTS 2021; 10:plants10020322. [PMID: 33567504 PMCID: PMC7915762 DOI: 10.3390/plants10020322] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/22/2021] [Accepted: 01/27/2021] [Indexed: 12/22/2022]
Abstract
Sugarcane is an important sugar and bioenergy ethanol crop, and the hyperploidy has led to stagnant progress in sugarcane genome decipherment, which also hindered the genome-wide analyses of versatile lectin receptor kinases (LecRKs). The published genome of Saccharum spontaneum, one of the two sugarcane ancestor species, enables us to study the characterization of LecRKs and their responses to sugarcane leaf blight (SLB) triggered by Stagonospora tainanensis. A total of 429 allelic and non-allelic LecRKs, which were classified into evolved independently three types according to signal domains and phylogeny, were identified based on the genome. Regarding those closely related LecRKs in the phylogenetic tree, their motifs and exon architectures of representative L- and G-types were similar or identical. LecRKs showed an unequal distribution on chromosomes and more G-type tandem repeats may come from the gene expansion. Comparing the differentially expressed LecRKs (DELs) in response to SLB in sugarcane hybrid and ancestor species S. spontaneum, we found that the DEL number in the shared gene sets was highly variable among each sugarcane accession, which indicated that the expression dynamics of LecRKs in response to SLB were quite different between hybrids and particularly between sugarcane hybrid and S. spontaneum. In addition, C-type LecRKs may participate in metabolic processes of plant–pathogen interaction, mainly including pathogenicity and plant resistance, indicating their putative roles in sugarcane responses to SLB infection. The present study provides a basic reference and global insight into the further study and utilization of LecRKs in plants.
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Halawa M, Cortleven A, Schmülling T, Heyl A. Characterization of CHARK, an unusual cytokinin receptor of rice. Sci Rep 2021; 11:1722. [PMID: 33462253 PMCID: PMC7814049 DOI: 10.1038/s41598-020-80223-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 10/21/2020] [Indexed: 11/14/2022] Open
Abstract
The signal transduction of the plant hormone cytokinin is mediated by a His-to-Asp phosphorelay. The canonical cytokinin receptor consists of an extra cytoplasmic hormone binding domain named cyclase/histidine kinase associated sensory extracellular (CHASE) and cytoplasmic histidine kinase and receiver domains. In addition to classical cytokinin receptors, a different type receptor—named CHASE domain receptor serine/threonine kinase (CHARK)—is also present in rice. It contains the same ligand binding domain as other cytokinin receptors but has a predicted Ser/Thr—instead of a His-kinase domain. Bioinformatic analysis indicates that CHARK is a retrogene and a product of trans-splicing. Here, we analyzed whether CHARK can function as a bona fide cytokinin receptor. A biochemical assay demonstrated its ability to bind cytokinin. Transient expression of CHARK in protoplasts increased their response to cytokinin. Expression of CHARK in an Arabidopsis receptor double mutant complemented its growth defects and restored the ability to activate cytokinin response genes, clearly demonstrating that CHARK functions as a cytokinin receptor. We propose that the CHARK gene presents an evolutionary novelty in the cytokinin signaling system.
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Affiliation(s)
- Mhyeddeen Halawa
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Science, Freie Universität Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany
| | - Anne Cortleven
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Science, Freie Universität Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany
| | - Thomas Schmülling
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Science, Freie Universität Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany
| | - Alexander Heyl
- Institute of Biology/Applied Genetics, Dahlem Centre of Plant Science, Freie Universität Berlin, Albrecht-Thaer-Weg 6, 14195, Berlin, Germany. .,Biology Department, Adelphi University, 1 South Avenue, Garden City, NY, 11530-0701, USA.
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Petrova N, Nazipova A, Gorshkov O, Mokshina N, Patova O, Gorshkova T. Gene Expression Patterns for Proteins With Lectin Domains in Flax Stem Tissues Are Related to Deposition of Distinct Cell Wall Types. FRONTIERS IN PLANT SCIENCE 2021; 12:634594. [PMID: 33995436 PMCID: PMC8121149 DOI: 10.3389/fpls.2021.634594] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Accepted: 03/16/2021] [Indexed: 05/10/2023]
Abstract
The genomes of higher plants encode a variety of proteins with lectin domains that are able to specifically recognize certain carbohydrates. Plants are enriched in a variety of potentially complementary glycans, many of which are located in the cell wall. We performed a genome-wide search for flax proteins with lectin domains and compared the expression of the encoding genes in different stem tissues that have distinct cell wall types with different sets of major polysaccharides. Over 400 genes encoding proteins with lectin domains that belong to different families were revealed in the flax genome; three quarters of these genes were expressed in stem tissues. Hierarchical clustering of the data for all expressed lectins grouped the analyzed samples according to their characteristic cell wall type. Most lectins differentially expressed in tissues with primary, secondary, and tertiary cell walls were predicted to localize at the plasma membrane or cell wall. These lectins were from different families and had various architectural types. Three out of four flax genes for proteins with jacalin-like domains were highly upregulated in bast fibers at the stage of tertiary cell wall deposition. The dynamic changes in transcript level of many genes for lectins from various families were detected in stem tissue over the course of gravitropic response induced by plant gravistimulation. The data obtained in this study indicate a large number of lectin-mediated events in plants and provide insight into the proteins that take part in tissue specialization and reaction to abiotic stress.
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Affiliation(s)
- Natalia Petrova
- Laboratory of Plant Glycobiology, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Alsu Nazipova
- Laboratory of Plant Cell Growth Mechanisms, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Oleg Gorshkov
- Laboratory of Plant Cell Growth Mechanisms, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Natalia Mokshina
- Laboratory of Plant Glycobiology, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
| | - Olga Patova
- Institute of Physiology, FRC Komi Science Centre of Ural Branch of Russian Academy of Sciences, Syktyvkar, Russia
| | - Tatyana Gorshkova
- Laboratory of Plant Cell Growth Mechanisms, Kazan Institute of Biochemistry and Biophysics, FRC Kazan Scientific Center of RAS, Kazan, Russia
- *Correspondence: Tatyana Gorshkova,
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36
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Mondal R, Das P. Data-mining bioinformatics: suggesting Arabidopsis thaliana L-type lectin receptor kinase IX.2 ( LecRK-IX.2) modulate metabolites and abiotic stress responses. PLANT SIGNALING & BEHAVIOR 2020; 15:1818031. [PMID: 32924779 PMCID: PMC7671074 DOI: 10.1080/15592324.2020.1818031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/28/2020] [Accepted: 08/28/2020] [Indexed: 05/31/2023]
Abstract
The central role of the Arabidopsis LecRK-IX.2 gene in response to biotic stress has been well established by an array of workers. So far, the role of LecRK-IX.2 in abiotic stresses has not been investigated systematically. Here, we have first investigated a comprehensive in silico survey to explore the regulation, expression pattern in responses to a wide range of abiotic stresses. The present study reveals that the LecRK-IX.2 promoter has numerous potential cis-regulatory elements (CREs) that are regulated by different stresses. AtGenExpress data elucidate that LecRK-IX.2 gene plays a potential role in responses to cold, osmotic, drought, salt, UV-B, heat, wound, and genotoxic compound. The expression profile of the co-expressed genes suggests that Arabidopsis LecRK-IX.2 gene might have a potential role in stress responses in a tissue-specific manner. Furthermore, a probable signal transduction mechanism has been described by using protein-protein interaction (PPI) dataset. Moreover, the present data-mining investigations have suggested that LecRK-IX.2 gene modulates cellular metabolites and abiotic stress responses.
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Affiliation(s)
- Raju Mondal
- Mulberry Tissue Culture Lab, Mulberry Division, Central Sericultural Germplasm Resources Centre (CSGRC), Hosur, India
| | - Poushali Das
- Taxonomy and Biosystematic Laboratory, Department of Botany, University of Calcutta, Kolkata, India
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Xu N, Luo X, Wu W, Xing Y, Liang Y, Liu Y, Zou H, Wei HL, Liu J. A Plant Lectin Receptor-like Kinase Phosphorylates the Bacterial Effector AvrPtoB to Dampen Its Virulence in Arabidopsis. MOLECULAR PLANT 2020; 13:1499-1512. [PMID: 32977056 DOI: 10.1016/j.molp.2020.09.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/27/2020] [Accepted: 09/19/2020] [Indexed: 05/19/2023]
Abstract
Plasma membrane-localized receptor-like kinases (RLKs) perceive conserved pathogen-associated molecular patterns (PAMPs) in plants, leading to PAMP-triggered immunity (PTI). The Arabidopsis thaliana lectin RLK LecRK-IX.2 has been shown to regulate the bacterial flagellin-derived peptide flg22-induced PTI. Here, we discover that Pseudomonas syringae effector AvrPtoB targets LecRK-IX.2 for degradation, which subsequently suppresses LecRK-IX.2-mediated PTI and disease resistance. However, LecRK-IX.2 can interact with and phosphorylate AvrPtoB at serine site 335 (S335). AvrPtoB self-associates in vitro and in vivo, and the association appears to be essential for its E3 ligase activity in ubiquitinating substrate in plants. Phosphorylation of S335 disrupts the self-association and as a result, phosphomimetic AvrPtoBS335D cannot ubiquitinate LecRK-IX.2 efficiently, leading to the compromised virulence of AvrPtoB in suppressing PTI responses. flg22 enhances AvrPtoB S335 phosphorylation by inducing the expression and activating of LecRK-IX.2. Our study demonstrates that host RLKs can modify pathogen effectors to dampen their virulence and undermine their ability in suppressing PTI.
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Affiliation(s)
- Ning Xu
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xuming Luo
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Wu
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yingying Xing
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yingbo Liang
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanzhi Liu
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huasong Zou
- College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Hai-Lei Wei
- Key Laboratory of Microbial Resources Collection and Preservation, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Jun Liu
- State Key Laboratory of Plant Genomics, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China; CAS Center for Excellence in Biotic Interactions, University of Chinese Academy of Sciences, Beijing 100049, China.
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Lv D, Wang G, Xiong LR, Sun JX, Chen Y, Guo CL, Yu Y, He HL, Cai R, Pan JS. Genome-Wide Identification and Characterization of Lectin Receptor-Like Kinase Gene Family in Cucumber and Expression Profiling Analysis under Different Treatments. Genes (Basel) 2020; 11:genes11091032. [PMID: 32887423 PMCID: PMC7564967 DOI: 10.3390/genes11091032] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 12/11/2022] Open
Abstract
Lectin receptor-like kinases (LecRLKs) are a class of membrane proteins found in plants that are involved in diverse functions, including plant development and stress responses. Although LecRLK families have been identified in a variety of plants, a comprehensive analysis has not yet been undertaken in cucumber (Cucumis sativus L.). In this study, 46 putative LecRLK genes were identified in the cucumber genome, including 23 G-type and 22 L-type, and one C-type LecRLK gene. They were unequally distributed on all seven chromosomes, with a clustering tendency. Most of the genes in the cucumber LecRLK (CsLecRLK) gene family lacked introns. In addition, there were many regulatory elements associated with phytohormones and stress on these genes’ promoters. Transcriptome data demonstrated distinct expression patterns of CsLecRLK genes in various tissues. Furthermore, we found that each member of the CsLecRLK family had its own unique expression pattern under hormone and stress treatment by the quantitative real-time PCR (qRT-PCR) analysis. This study provides a better understanding of the character and function of the LecRLK gene family in cucumber and opens up the possibility to exploring the roles that LecRLKs might play in the life cycle of cucumber.
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Tsaneva M, Van Damme EJM. 130 years of Plant Lectin Research. Glycoconj J 2020; 37:533-551. [PMID: 32860551 PMCID: PMC7455784 DOI: 10.1007/s10719-020-09942-y] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 07/12/2020] [Accepted: 08/21/2020] [Indexed: 12/15/2022]
Abstract
Lectins are proteins with diverse molecular structures that share the ability to recognize and bind specifically and reversibly to carbohydrate structures without changing the carbohydrate moiety. The history of lectins started with the discovery of ricin about 130 years ago but since then our understanding of lectins has dramatically changed. Over the years the research focus was shifted from 'the characterization of carbohydrate-binding proteins' to 'understanding the biological function of lectins'. Nowadays plant lectins attract a lot of attention especially because of their potential for crop improvement and biomedical research, as well as their application as tools in glycobiology. The present review aims to give an overview of plant lectins and their applications, and how the field evolved in the last decades.
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Affiliation(s)
- Mariya Tsaneva
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
| | - Els J M Van Damme
- Laboratory of Biochemistry and Glycobiology, Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium.
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Peng X, Wang M, Li Y, Yan W, Chang Z, Chen Z, Xu C, Yang C, Deng XW, Wu J, Tang X. Lectin receptor kinase OsLecRK-S.7 is required for pollen development and male fertility. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2020; 62:1227-1245. [PMID: 31833176 DOI: 10.1111/jipb.12897] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 12/10/2019] [Indexed: 05/29/2023]
Abstract
Pollen grains are covered by exine that protects the pollen from stress and facilitates pollination. Here we isolated a male sterile mutant s13283 in rice exhibiting aborted pollen with abnormal exine and defective aperture. The mutant gene encodes a novel plasma membrane-localized legume-lectin receptor kinase that we named OsLecRK-S.7. OsLecRK-S.7 was expressed at different levels in all tested tissues and throughout anther development. In vitro kinase assay showed OsLecRK-S.7 capable of autophosporylation. Mutation in s13283 (E560K) and mutation of the conserved ATP binding site (K418E) both knocked out the kinase activity. Mass spectrometry showed Thr376 , Ser378 , Thr386 , Thr403 , and Thr657 to be the autophosphorylation sites. Mutation of individual autophosphorylation site affected the in vitro kinase activity to different degrees, but did not abolish the gene function in fertility complementation. oslecrk-s.7 mutant plant overexpressing OsLecRK-S.7 recovered male fertility but showed severe growth retardation with reduced number of tillers, and these phenotypes were abolished by E560K or K418E mutation. The results indicated that OsLecRK-S.7 was a key regulator of pollen development.
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Affiliation(s)
- Xiaoqun Peng
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
| | - Menglong Wang
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
| | - Yiqi Li
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Wei Yan
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
| | - Zhenyi Chang
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Zhufeng Chen
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
| | - Chunjue Xu
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
| | - Chengwei Yang
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Xing Wang Deng
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
- School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jianxin Wu
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
| | - Xiaoyan Tang
- Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Sciences, South China Normal University, Guangzhou, 510631, China
- Shenzhen Institute of Molecular Crop Design, Shenzhen, 518107, China
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Zhang W, Chen Z, Kang Y, Fan Y, Liu Y, Yang X, Shi M, Yao K, Qin S. Genome-wide analysis of lectin receptor-like kinases family from potato ( Solanum tuberosum L.). PeerJ 2020; 8:e9310. [PMID: 32566405 PMCID: PMC7293193 DOI: 10.7717/peerj.9310] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 05/17/2020] [Indexed: 12/29/2022] Open
Abstract
Lectin receptor-like kinases (LecRLKs) are involved in responses to diverse environmental stresses and pathogenic microbes. A comprehensive acknowledgment of the family members in potato (Solanum tuberosum) genome is largely limited until now. In total, 113 potato LecRLKs (StLecRLKs) were first identified, including 85 G-type, 26 L-type and 2 C-type members. Based on phylogenetic analysis, StLecRLKs were sub-grouped into seven clades, including C-type, L-type, G-I, G-II, G-III G-IV and G-V. Chromosomal distribution and gene duplication analysis revealed the expansion of StLecRLKs occurred majorly through tandem duplication although the whole-genome duplication (WGD)/segmental duplication events were found. Cis-elements in the StLecRLKs promoter region responded mainly to signals of defense and stress, phytohormone, biotic or abiotic stress. Moreover, expressional investigations indicated that the family members of the clades L-type, G-I, G-IV and G-V were responsive to both bacterial and fungal infection. Based on qRT-PCR analysis, the expressions of PGSC0003DMP400055136 and PGSC0003DMP400067047 were strongly induced in all treatments by both Fusarium sulphureum (Fs) and Phytophthora infestans (Pi) inoculation. The present study provides valuable information for LecRLKs gene family in potato genome, and establishes a foundation for further research into the functional analysis.
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Affiliation(s)
- Weina Zhang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Zhongjian Chen
- Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Yichen Kang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Yanling Fan
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Yuhui Liu
- Gansu Key Laboratory of Crop Improvement and Germplasm Enhancement, Gansu Agricultural University, Lanzhou, China
| | - Xinyu Yang
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Mingfu Shi
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Kai Yao
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
| | - Shuhao Qin
- College of Horticulture, Gansu Agricultural University, Lanzhou, China
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Dievart A, Gottin C, Périn C, Ranwez V, Chantret N. Origin and Diversity of Plant Receptor-Like Kinases. ANNUAL REVIEW OF PLANT BIOLOGY 2020; 71:131-156. [PMID: 32186895 DOI: 10.1146/annurev-arplant-073019-025927] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Because of their high level of diversity and complex evolutionary histories, most studies on plant receptor-like kinase subfamilies have focused on their kinase domains. With the large amount of genome sequence data available today, particularly on basal land plants and Charophyta, more attention should be paid to primary events that shaped the diversity of the RLK gene family. We thus focus on the motifs and domains found in association with kinase domains to illustrate their origin, organization, and evolutionary dynamics. We discuss when these different domain associations first occurred and how they evolved, based on a literature review complemented by some of our unpublished results.
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Affiliation(s)
- Anne Dievart
- CIRAD, UMR AGAP, F-34398 Montpellier, France;
- AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France
| | - Céline Gottin
- CIRAD, UMR AGAP, F-34398 Montpellier, France;
- AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France
| | - Christophe Périn
- CIRAD, UMR AGAP, F-34398 Montpellier, France;
- AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France
| | - Vincent Ranwez
- AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France
| | - Nathalie Chantret
- AGAP, Université de Montpellier, CIRAD, INRA, Montpellier SupAgro, F-34060 Montpellier, France
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Fiust A, Rapacz M. Downregulation of three novel candidate genes is important for freezing tolerance of field and laboratory cold acclimated barley. JOURNAL OF PLANT PHYSIOLOGY 2020; 244:153049. [PMID: 31760347 DOI: 10.1016/j.jplph.2019.153049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/25/2019] [Accepted: 07/30/2019] [Indexed: 06/10/2023]
Abstract
Diversity arrays technology (DArT) marker sequences for barley were used for identifying new potential candidate genes for freezing tolerance (FT). We used quantitative trait loci (QTL) genetic linkage maps for FT and photosynthetic acclimation to cold for six- and two-row barley populations, and a set of 20 DArT markers obtained using the association mapping of parameters for photosynthetic acclimation to low temperatures in barley for the bioinformatics analyses. Several nucleotide and amino acid sequence, annotation databases and associated algorithms were used to identify the similarities of six of the marker sequences to potential genes involved in plant low temperature response. Gene ontology (GO) annotations based on similarities to database sequences were assigned to these marker sequences, and indicated potential involvement in signal transduction pathways in response to stress factors and epigenetic processes, as well as auxin transport mechanisms. Furthermore, relative gene expressions for three of six of new identified genes (Hv.ATPase, Hv.DDM1, and Hv.BIG) were assessed within four barley genotypes of different FT. A physiological assessment of FT was conducted based on plant survival rates in two field-laboratory and one laboratory experiments. The results suggested that plant survival rate after freezing but not the degree of freezing-induced leaf damage between the tested accessions can be correlated with the degree of low-temperature downregulation of the studied candidate genes, which encoded proteins involved in the control of plant growth and development. Additionally, candidate genes for qRT-PCR suitable for the analysis of cold acclimation response in barley were suggested after validation.
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Affiliation(s)
- Anna Fiust
- Department of Plant Physiology, University of Agriculture, Podłużna 3, 30-239, Krakow, Poland.
| | - Marcin Rapacz
- Department of Plant Physiology, University of Agriculture, Podłużna 3, 30-239, Krakow, Poland.
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Sun Y, Qiao Z, Muchero W, Chen JG. Lectin Receptor-Like Kinases: The Sensor and Mediator at the Plant Cell Surface. FRONTIERS IN PLANT SCIENCE 2020; 11:596301. [PMID: 33362827 PMCID: PMC7758398 DOI: 10.3389/fpls.2020.596301] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 11/19/2020] [Indexed: 05/17/2023]
Abstract
Lectin receptor-like kinases (LecRLKs), a plant-specific receptor-like kinase (RLK) sub-family, have been recently found to play crucial roles in plant development and responses to abiotic and biotic stresses. In this review, we first describe the classification and structures of Lectin RLKs. Then we focus on the analysis of functions of LecRLKs in various biological processes and discuss the status of LecRLKs from the ligands they recognize, substrate they target, signaling pathways they are involved in, to the overall regulation of growth-defense tradeoffs. LecRLKs and the signaling components they interact with constitute recognition and protection systems at the plant cell surface contributing to the detection of environmental changes monitoring plant fitness.
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Lee SB, Kim GJ, Kim KW, Chu SH, Shin JD, Lee YJ, Park YJ, Park SW. Functional Haplotype and eQTL Analyses of Genes Affecting Cadmium Content in Cultivated Rice. RICE (NEW YORK, N.Y.) 2019; 12:84. [PMID: 31754895 PMCID: PMC6872708 DOI: 10.1186/s12284-019-0340-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 10/17/2019] [Indexed: 05/30/2023]
Abstract
BACKGROUND Rice is a major food resource for Asian countries including Korea. However, most Asian countries are facing food safety problems due to cropland contamination by heavy metals. Thus, this study was conducted to investigate genetic factors affecting the expression of cadmium (Cd) gene, and to confirm differences in Cd translocation among cultivars because the current molecular understanding of Cd uptake-transport mechanisms remains insufficient. Associations between genotypes and gene expression level of Cd-related genes such as NRAMP, MTP, and HMA gene families in the rice core collection were analyzed at the genomic level. RESULTS Os01g0956700, Os05g0128400 and Os11g0485200 showed strong associations between expression level and genotype in the rice core collection, the regulatory factors that associated with these genes in cis and trans were founded. The association between the expression level and genotype of the candidate gene (Os01g0611300: metal tolerance protein) predicted to affect Cd content in rice by a previous genome-wide association study (GWAS) was also analyzed. Furthermore, as a result of the phylogeny and haplotype analyses of the candidate gene, high-Cd tolerance cultivars were selected. The correlations between Cd and other inorganic components (Mg, Mn, Fe, Cu and Zn) in the roots, stems, leaves and unpolished grain of selected rice cultivars were analyzed. CONCLUSION Therefore, these results may be useful for understanding the uptake-transport mechanisms of Cd and other inorganic components via molecular genetics and may help rice breeders develop new low-Cd cultivars in the near future.
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Affiliation(s)
- Sang-Beom Lee
- Chemical Safety Division, National Institute of Agriculture Science (NIAS), Wanju, 55365, South Korea
- Department of Plant Resources, College of Industrial Sciences, Kongju National University, Yesan, 32439, South Korea
| | - Gyeong-Jin Kim
- Chemical Safety Division, National Institute of Agriculture Science (NIAS), Wanju, 55365, South Korea
| | - Kyu-Won Kim
- Center of Crop Breeding on Omics Artificial Intelligence, Kongju National University, Yesan, 32439, South Korea
| | - Sang-Ho Chu
- Center of Crop Breeding on Omics Artificial Intelligence, Kongju National University, Yesan, 32439, South Korea
| | - Jung-Du Shin
- Department of Climate Change and Agro-Ecology, National Institute of Agriculture Science (NIAS), Wanju, 55365, South Korea
| | - Yu-Ji Lee
- Chemical Safety Division, National Institute of Agriculture Science (NIAS), Wanju, 55365, South Korea
| | - Yong-Jin Park
- Department of Plant Resources, College of Industrial Sciences, Kongju National University, Yesan, 32439, South Korea.
| | - Sang-Won Park
- Chemical Safety Division, National Institute of Agriculture Science (NIAS), Wanju, 55365, South Korea.
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Passricha N, Saifi SK, Kharb P, Tuteja N. Rice lectin receptor‐like kinase provides salinity tolerance by ion homeostasis. Biotechnol Bioeng 2019; 117:498-510. [DOI: 10.1002/bit.27216] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 10/18/2019] [Accepted: 10/29/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Nishat Passricha
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
| | - Shabnam K. Saifi
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
| | - Pushpa Kharb
- Department of Molecular Biology, Biotechnology and BioinformaticsCOBS&H, CCS Haryana Agricultural UniversityHisar Haryana India
| | - Narendra Tuteja
- Plant Molecular Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali MargNew Delhi India
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Extracellular pyridine nucleotides trigger plant systemic immunity through a lectin receptor kinase/BAK1 complex. Nat Commun 2019; 10:4810. [PMID: 31641112 PMCID: PMC6805918 DOI: 10.1038/s41467-019-12781-7] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 10/01/2019] [Indexed: 02/07/2023] Open
Abstract
Systemic acquired resistance (SAR) is a long-lasting broad-spectrum plant immunity induced by mobile signals produced in the local leaves where the initial infection occurs. Although multiple structurally unrelated signals have been proposed, the mechanisms responsible for perception of these signals in the systemic leaves are unknown. Here, we show that exogenously applied nicotinamide adenine dinucleotide (NAD+) moves systemically and induces systemic immunity. We demonstrate that the lectin receptor kinase (LecRK), LecRK-VI.2, is a potential receptor for extracellular NAD+ (eNAD+) and NAD+ phosphate (eNADP+) and plays a central role in biological induction of SAR. LecRK-VI.2 constitutively associates with BRASSINOSTEROID INSENSITIVE1-ASSOCIATED KINASE1 (BAK1) in vivo. Furthermore, BAK1 and its homolog BAK1-LIKE1 are required for eNAD(P)+ signaling and SAR, and the kinase activities of LecR-VI.2 and BAK1 are indispensable to their function in SAR. Our results indicate that eNAD+ is a putative mobile signal, which triggers SAR through its receptor complex LecRK-VI.2/BAK1 in Arabidopsis thaliana. Systemic signals allows plants to mount immune responses in sites that are distal from the local infection site. Here, the authors provide evidence that nicotinamide adenine dinucleotide (NAD + ) is a potential systemic signal that induces immunity via the lectin receptor kinase LecRK-VI.2 and BAK1.
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Yang LT, Zhou YF, Wang YY, Wu YM, Ye X, Guo JX, Chen LS. Magnesium Deficiency Induced Global Transcriptome Change in Citrus sinensis Leaves Revealed by RNA-Seq. Int J Mol Sci 2019; 20:ijms20133129. [PMID: 31248059 PMCID: PMC6651023 DOI: 10.3390/ijms20133129] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/18/2022] Open
Abstract
Magnesium (Mg) deficiency is one of the major constraining factors that limit the yield and quality of agricultural products. Uniform seedlings of the Citrus sinensis were irrigated with Mg deficient (0 mM MgSO4) and Mg sufficient (1 mM MgSO4) nutrient solutions for 16 weeks. CO2 assimilation, starch, soluble carbohydrates, TBARS content and H2O2 production were measured. Transcriptomic analysis of C. sinensis leaves was performed by Illumina sequencing. Our results showed that Mg deficiency decreased CO2 assimilation, but increased starch, sucrose, TBARS content and H2O2 production in C. sinensis leaves. A total of 4864 genes showed differential expression in response to Mg deficiency revealed by RNA-Seq and the transcriptomic data were further validated by real-time quantitative PCR (RT-qPCR). Gene ontology (GO) enrichment analysis indicated that the mechanisms underlying Mg deficiency tolerance in C. sinensis may be attributed to the following aspects: (a) enhanced microtubule-based movement and cell cycle regulation; (b) elevated signal transduction in response to biotic and abiotic stimuli; (c) alteration of biological processes by tightly controlling phosphorylation especially protein phosphorylation; (d) down-regulation of light harvesting and photosynthesis due to the accumulation of carbohydrates; (e) up-regulation of cell wall remodeling and antioxidant system. Our results provide a comprehensive insight into the transcriptomic profile of key components involved in the Mg deficiency tolerance in C. sinensis and enrich our understanding of the molecular mechanisms by which plants adapted to a Mg deficient condition.
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Affiliation(s)
- Lin-Tong Yang
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Yang-Fei Zhou
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Yan-Yu Wang
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Yan-Mei Wu
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Xin Ye
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Jiu-Xin Guo
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Li-Song Chen
- Institute of Plant Nutritional Physiology and Molecular Biology, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
- Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Djami-Tchatchou AT, Dubery IA. miR393 regulation of lectin receptor-like kinases associated with LPS perception in Arabidopsis thaliana. Biochem Biophys Res Commun 2019; 513:88-92. [PMID: 30940349 DOI: 10.1016/j.bbrc.2019.03.170] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 03/26/2019] [Indexed: 11/16/2022]
Abstract
microRNAs regulate dynamic aspects of innate immunity in Arabidopsis thaliana in response to lipopolysaccharides. Lectin-domain receptor-like kinases function as surveillance proteins and miR393 targets transcripts of an L-type LecRK (LECRK-V.7, At3g59740). This study investigated miR393 regulation of LecRLKs associated with LPS perception. Following pre-treatment of wild type -, miR393 ab double mutant - and miR393 overexpressor plants with LPS, the expression of miR393 and two other LecRLK genes (G-type lectin S-receptor-like protein kinases, SD1-13 (At1g11330) and SD1-29 (At1g61380) were evaluated. Overexpression and repression of miR393 respectively suppressed and induced transcripts of the LecRLK genes. The results indicate that miR393 regulates the three LecRLKs following perception of bacterial LPS, in support of immunity and basal resistance.
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Affiliation(s)
- Arnaud T Djami-Tchatchou
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Auckland Park, 2006, South Africa.
| | - Ian A Dubery
- Department of Biochemistry, University of Johannesburg, P.O. Box 524, Auckland Park, 2006, South Africa.
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Zhang C, Guo X, Xie H, Li J, Liu X, Zhu B, Liu S, Li H, Li M, He M, Chen P. Quantitative phosphoproteomics of lectin receptor-like kinase VI.4 dependent abscisic acid response in Arabidopsis thaliana. PHYSIOLOGIA PLANTARUM 2019; 165:728-745. [PMID: 29797451 DOI: 10.1111/ppl.12763] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/14/2018] [Accepted: 05/15/2018] [Indexed: 06/08/2023]
Abstract
Lectin receptor-like kinases (LecRKs) play important roles in the responses to adverse environment stress. Abscisic acid (ABA) is a plant hormone involved in plant growth, development and adverse environmental stress responses. Although some studies of ABA response LecRK genes have been reported, the molecular mechanisms of LecRKs regulation of downstream pathways under ABA induction are not well understood. The present study showed that LecRK-VI.4 responded to ABA and negatively regulated stomatal closure. Here, a quantitative phosphoproteomics approach based on mass spectrometry was employed to study the roles of LecRK-VI.4 in the ABA signaling pathway. Metal oxide affinity beads and C18 chromatography were used for phosphopeptide enrichment and separation. The isobaric tags for relative and absolute quantitation were used for profiling the phosphoproteome of mutant lecrk-vi.4-1 and wild-type Col-0 Arabidopsis under normal growth conditions or ABA treatments. In total, 475 unique phosphopeptides were quantified, including 81 phosphopeptides related to LecRK-VI.4 regulation. Gene ontology, protein-protein interaction and motif analysis were performed. The bioinformatics data showed that phosphorylated proteins regulated by LecRK-VI.4 had close relations with factors of stomatal function, which included aquaporin activity, H+ pump activity and the Ca2+ concentration in the cytoplasm. These data have expanded our understanding of how LecRK-VI.4 regulates ABA-mediated stomatal movements.
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Affiliation(s)
- Cheng Zhang
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Xinhong Guo
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Huali Xie
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, Hunan Normal University, Changsha, 410081, China
| | - Jinyan Li
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Xiaoqian Liu
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, Hunan Normal University, Changsha, 410081, China
| | - Baode Zhu
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, Hunan Normal University, Changsha, 410081, China
| | - Shucan Liu
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Huili Li
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Meiling Li
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Mingqi He
- College of Life Sciences, Hunan University, Changsha, 410082, China
| | - Ping Chen
- Key Laboratory of Protein Chemistry and Developmental Biology of the Ministry of Education, Hunan Normal University, Changsha, 410081, China
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