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An Y, Jiao X, Yang S, Wang S, Chen N, Huang L, Jiang C, Lu M, Zhang J. Evaluation of novel promoters for vascular tissue-specific gene expression in Populus. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 344:112083. [PMID: 38588982 DOI: 10.1016/j.plantsci.2024.112083] [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: 01/12/2024] [Revised: 03/19/2024] [Accepted: 04/02/2024] [Indexed: 04/10/2024]
Abstract
Due to the extended generation cycle of trees, the breeding process for forest trees tends to be time-consuming. Genetic engineering has emerged as a viable approach to expedite the genetic breeding of forest trees. However, current genetic engineering techniques employed in forest trees often utilize continuous expression promoters such as CaMV 35S, which may result in unintended consequences by introducing genes into non-target tissues. Therefore, it is imperative to develop specific promoters for forest trees to facilitate targeted and precise design and breeding. In this study, we utilized single-cell RNA-Seq data and co-expression network analysis during wood formation to identify three vascular tissue-specific genes in poplar, PP2-A10, PXY, and VNS07, which are expressed in the phloem, cambium/expanding xylem, and mature xylem, respectively. Subsequently, we cloned the promoters of these three genes from '84K' poplar and constructed them into a vector containing the eyGFPuv visual selection marker, along with the 35S mini enhancer to drive GUS gene expression. Transgenic poplars expressing the ProPagPP2-A10::GUS, ProPagPXY::GUS, and ProPagVNS07::GUS constructs were obtained. To further elucidate the tissue specificity of these promoters, we employed qPCR, histochemical staining, and GUS enzyme activity. Our findings not only establish a solid foundation for the future utilization of these promoters to precisely express of specific functional genes in stems but also provide a novel perspective for the modular breeding of forest trees.
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Affiliation(s)
- Yi An
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Xue Jiao
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Song Yang
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Shiqi Wang
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Ningning Chen
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Lichao Huang
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Cheng Jiang
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Mengzhu Lu
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Jin Zhang
- State Key Laboratory of Subtropical Silviculture, Sino-Australia Plant Cell Wall Research Centre, College of Forestry and Biotechnology, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China.
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Archer L, Mondal HA, Behera S, Twayana M, Patel M, Louis J, Nalam VJ, Keereetaweep J, Chowdhury Z, Shah J. Interplay between MYZUS PERSICAE-INDUCED LIPASE 1 and OPDA signaling in limiting green peach aphid infestation on Arabidopsis thaliana. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:6860-6873. [PMID: 37696760 DOI: 10.1093/jxb/erad355] [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: 02/05/2023] [Accepted: 09/09/2023] [Indexed: 09/13/2023]
Abstract
MYZUS PERSICAE-INDUCED LIPASE1 (MPL1) encodes a lipase in Arabidopsis thaliana that is required for limiting infestation by the green peach aphid (GPA; Myzus persicae), an important phloem sap-consuming insect pest. Previously, we demonstrated that MPL1 expression was up-regulated in response to GPA infestation, and GPA fecundity was higher on the mpl1 mutant, compared with the wild-type (WT), and lower on 35S:MPL1 plants that constitutively expressed MPL1 from the 35S promoter. Here, we show that the MPL1 promoter is active in the phloem and expression of the MPL1 coding sequence from the phloem-specific SUC2 promoter in mpl1 is sufficient to restore resistance to GPA. The GPA infestation-associated up-regulation of MPL1 requires CYCLOPHILIN 20-3 (CYP20-3), which encodes a 12-oxo-phytodienoic acid (OPDA)-binding protein that is involved in OPDA signaling, and is required for limiting GPA infestation. OPDA promotes MPL1 expression to limit GPA fecundity, a process that requires CYP20-3 function. These results along with our observation that constitutive expression of MPL1 from the 35S promoter restores resistance to GPA in the cyp20-3 mutant, and MPL1 acts in a feedback loop to limit OPDA levels in GPA-infested plants, suggest that an interplay between MPL1, OPDA, and CYP20-3 contributes to resistance to GPA.
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Affiliation(s)
- Lani Archer
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Hossain A Mondal
- College of Post Graduate Studies in Agricultural Sciences (CPGS-AS, under Central Agricultural University, Imphal, Manipur), Meghalaya 793103, India
| | - Sumita Behera
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
| | - Moon Twayana
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Monika Patel
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
| | - Joe Louis
- Department of Entomology and Department of Biochemistry, University of Nebraska, Lincoln, NE 68583, USA
| | - Vamsi J Nalam
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
| | | | - Zulkarnain Chowdhury
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
| | - Jyoti Shah
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
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Triplett E, Hayes C, Emendack Y, Longing S, Monclova C, Simpson C, Laza HE. Leaf structural traits mediating pre-existing physical innate resistance to sorghum aphid in sorghum under uninfested conditions. PLANTA 2023; 258:46. [PMID: 37468707 DOI: 10.1007/s00425-023-04194-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 06/23/2023] [Indexed: 07/21/2023]
Abstract
KEY MESSAGE We found four indicative traits of innate immunity. Sorghum-resistant varieties had a greater trichome, stomatal and chloroplast density, and smaller mesophyll intercellular width than susceptible varieties. The sorghum aphid (SA), Melanaphis sorghi (Theobald), can severely reduce sorghum yield. The contribution of structural traits to SA resistance has not been extensively studied. Moreover, the current screening method for resistance is inherently subjective for resistance and requires infestation in plants. Quantifying the microanatomical basis of innate SA resistance is crucial for developing reliable screening tools requiring no infestation. The goal of this study was to identify structural traits linked to physical innate SA resistance in sorghum. We conducted controlled environment and field experiments under no SA infestation conditions, with two resistant (R. LBK1 and R. Tx2783) and two susceptible (R. Tx7000 and R. Tx430) varieties. Leaf tissues collected at the fifth leaf stage in the controlled environment experiment were analyzed for the epidermal and mesophyll traits using light and transmission electron microscopy. Leaf tissues collected at physiological maturity in the field experiment were analyzed for surface traits using scanning electron microscopy. Our results showed that stomatal density, trichome density, trichome length, and chloroplast density are key leaf structural traits indicative of physical innate SA resistance. We found that resistant varieties had a greater density of trichomes (39%), stomata (31%), and chloroplast (42%), and smaller mesophyll intercellular width (- 52%) than susceptible varieties. However, the chloroplast, mitochondria, and epidermal cell ultrastructural traits were ineffective indicators of SA resistance. Our findings provide the foundation for developing an objective high-throughput method for SA resistance screening. We suggest a follow-up validation experiment to confirm our outcomes under SA infestation conditions.
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Affiliation(s)
- Ethan Triplett
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, 79409, USA
| | - Chad Hayes
- Cropping Systems Research Laboratory, USDA-ARS, Lubbock, TX, 79415, USA
| | - Yves Emendack
- Cropping Systems Research Laboratory, USDA-ARS, Lubbock, TX, 79415, USA
| | - Scott Longing
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, 79409, USA
| | | | - Catherine Simpson
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, 79409, USA
| | - Haydee E Laza
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX, 79409, USA.
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Yang J, Zhang H, Chen H, Sun Z, Ke H, Wang G, Meng C, Wu L, Zhang Y, Wang X, Ma Z. Genome-wide association study reveals novel SNPs and genes in Gossypium hirsutum underlying Aphis gossypii resistance. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2023; 136:171. [PMID: 37420143 DOI: 10.1007/s00122-023-04415-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 06/23/2023] [Indexed: 07/09/2023]
Abstract
A. gossypii resistance showed great variability in G. hirsutum varieties. One hundred and seventy-six SNPs associated with A. gossypii resistance were identified using GWAS. Four candidate resistance genes were functionally validated. Aphis gossypii is an economically important sap-feeding pest and is widely distributed in the world's cotton-producing regions. Identification of cotton genotypes and developing cultivars with improved A. gossypii resistance (AGR) is essential and desirable for sustainable agriculture. In the present study, A. gossypii was offered no choice but to propagate on 200 Gossypium hirsutum accessions. A relative aphid reproduction index (RARI) was used to evaluate the AGR, which showed large variability in cotton accessions and was classified into 6 grades. A significantly positive correlation was found between AGR and Verticillium wilt resistance. A total of 176 SNPs significantly associated with the RARI were identified using GWAS. Of these, 21 SNPs could be repeatedly detected in three replicates. Cleaved amplified polymorphic sequence, a restriction digestion-based genotyping assay, was developed using SNP1 with the highest observed -log10(P-value). Four genes within the 650 kb region of SNP1 were further identified, including GhRem (remorin-like), GhLAF1 (long after far-red light 1), GhCFIm25 (pre-mRNA cleavage factor Im 25 kDa subunit) and GhPMEI (plant invertase/pectin methylesterase inhibitor superfamily protein). The aphid infection could induce their expression and showed a significant difference between resistant and susceptible cotton varieties. Silencing of GhRem, GhLAF1 or GhCFIm25 could significantly increase aphid reproduction on cotton seedlings. Silencing of GhRem significantly reduced callose deposition, which is reasonably believed to be the cause for the higher AGR. Our results provide insights into understanding the genetic regulation of AGR in cotton and suggest candidate germplasms, SNPs and genes for developing cultivars with improved AGR.
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Affiliation(s)
- Jun Yang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Huimin Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Haonan Chen
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Zhengwen Sun
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Huifeng Ke
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Guoning Wang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Chengsheng Meng
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Liqiang Wu
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Yan Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Xingfen Wang
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China
| | - Zhiying Ma
- State Key Laboratory of North China Crop Improvement and Regulation, Hebei Agricultural University, Baoding, 071001, Hebei, China.
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Paulmann MK, Wegner L, Gershenzon J, Furch ACU, Kunert G. Pea Aphid ( Acyrthosiphon pisum) Host Races Reduce Heat-Induced Forisome Dispersion in Vicia faba and Trifolium pratense. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091888. [PMID: 37176952 PMCID: PMC10181200 DOI: 10.3390/plants12091888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/21/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023]
Abstract
Although phloem-feeding insects such as aphids can cause significant damage to plants, relatively little is known about early plant defenses against these insects. As a first line of defense, legumes can stop the phloem mass flow through a conformational change in phloem proteins known as forisomes in response to Ca2+ influx. However, specialized phloem-feeding insects might be able to suppress the conformational change of forisomes and thereby prevent sieve element occlusion. To investigate this possibility, we triggered forisome dispersion through application of a local heat stimulus to the leaf tips of pea (Pisum sativum), clover (Trifolium pratense) and broad bean (Vicia faba) plants infested with different pea aphid (Acyrthosiphon pisum) host races and monitored forisome responses. Pea aphids were able to suppress forisome dispersion, but this depended on the infesting aphid host race, the plant species, and the age of the plant. Differences in the ability of aphids to suppress forisome dispersion may be explained by differences in the composition and quantity of the aphid saliva injected into the plant. Various mechanisms of how pea aphids might suppress forisome dispersion are discussed.
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Affiliation(s)
- Maria K Paulmann
- Max Planck Institute for Chemical Ecology, Department of Biochemistry, Hans-Knöll-Str. 8, D-07745 Jena, Germany
- Plant Physiology, Matthias Schleiden Institute for Genetics, Bioinformatics and Molecular Botany, Faculty of Biological Science, Friedrich Schiller University Jena, Dornburger Straße 159, D-07743 Jena, Germany
| | - Linus Wegner
- Plant Physiology, Matthias Schleiden Institute for Genetics, Bioinformatics and Molecular Botany, Faculty of Biological Science, Friedrich Schiller University Jena, Dornburger Straße 159, D-07743 Jena, Germany
- Institute of Botany, Justus Liebig University, Heinrich-Buff-Ring 38, 35292 Giessen, Germany
| | - Jonathan Gershenzon
- Max Planck Institute for Chemical Ecology, Department of Biochemistry, Hans-Knöll-Str. 8, D-07745 Jena, Germany
| | - Alexandra C U Furch
- Plant Physiology, Matthias Schleiden Institute for Genetics, Bioinformatics and Molecular Botany, Faculty of Biological Science, Friedrich Schiller University Jena, Dornburger Straße 159, D-07743 Jena, Germany
| | - Grit Kunert
- Max Planck Institute for Chemical Ecology, Department of Biochemistry, Hans-Knöll-Str. 8, D-07745 Jena, Germany
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6
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Cardona JB, Grover S, Bowman MJ, Busta L, Kundu P, Koch KG, Sarath G, Sattler SE, Louis J. Sugars and cuticular waxes impact sugarcane aphid (Melanaphis sacchari) colonization on different developmental stages of sorghum. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 330:111646. [PMID: 36806611 DOI: 10.1016/j.plantsci.2023.111646] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/10/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
Sugarcane aphid (SCA; Melanaphis sacchari) is a devastating pest of sorghum (Sorghum bicolor) that colonizes sorghum plants at different growth stages. Leaf surface characteristics and sugars often influence aphid settling and feeding on host plants. However, how changes in cuticular waxes and sugar levels affect SCA establishment and feeding at different development stages of sorghum have not been explored. In this study, two- and six-week-old BTx623 plants, a reference line of sorghum, was used to evaluate plant-aphid interactions. Monitoring aphid feeding behavior using Electrical Penetration Graph (EPG) technique revealed that aphids spent more time in the sieve element phase of six-week-old plants compared to two-week-old plants. Significant differences were found in the time spent to reach the first sieve element and pathway phases between the two- and six-week-old plants. However, no-choice aphid bioassays displayed that SCA population numbers were higher in two-week-old plants compared to six-week-old plants. Differences in the abundance of wax and sugar contents were analyzed to determine how these plant components influenced aphid feeding and proliferation. Among the cuticular wax compounds analyzed, α-amyrin and isoarborinone increased after 10 days of aphid infestation only in six-week-old plants. Trehalose content was significantly increased by SCA feeding on two- and six-week-old plants. Furthermore, SCA feeding depressed sucrose content and increased levels of glucose and fructose in two-week-old but not in six-week-old plants. Overall, our study indicates that plant age is a determinant for SCA feeding, and subtle changes in triterpenoids and available sugars influence SCA establishment on sorghum plants.
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Affiliation(s)
| | - Sajjan Grover
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
| | - Michael J Bowman
- United States Department of Agriculture-Agricultural Research Service, National Center for Agricultural Utilization Research, Bioenergy Research Unit, Peoria, IL 61604, USA
| | - Lucas Busta
- Department of Chemistry and Biochemistry, University of Minnesota Duluth, Duluth, MN 55812, USA
| | - Pritha Kundu
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
| | - Kyle G Koch
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA
| | - Gautam Sarath
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA; Wheat, Sorghum, and Forage Research Unit, US Department of Agriculture-Agricultural Research Service, Lincoln, NE 68583, USA
| | - Scott E Sattler
- Wheat, Sorghum, and Forage Research Unit, US Department of Agriculture-Agricultural Research Service, Lincoln, NE 68583, USA
| | - Joe Louis
- Department of Entomology, University of Nebraska-Lincoln, Lincoln, NE 68583, USA; Department of Biochemistry, University of Nebraska-Lincoln, Lincoln, NE 68583, USA.
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van Bel AJE, Schulz A, Patrick JW. New mosaic fragments toward reconstructing the elusive phloem system. JOURNAL OF PLANT PHYSIOLOGY 2022; 275:153754. [PMID: 35753158 DOI: 10.1016/j.jplph.2022.153754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Affiliation(s)
- Aart J E van Bel
- Institut of Phytopathology, Centre for Biosystems, Land Use and Nutrition, Justus-Liebig University, Heinrich-Buff-Ring 26-32, D-35392 Gieβen, Germany.
| | - Alexander Schulz
- Department of Plant and Environmental Sciences, Thorvaldsensvej 40, 1871 Frederiksberg, Copenhagen, Denmark
| | - John W Patrick
- Centre for Plant Science, School of Environmental and Life Sciences, The University of Newcastle, Callaghan NSW 2308, Australia
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