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Dantas CWD, da Costa Neto SR, Alves SIA, da Costa Pinheiro K, De Los Santos EFF, Ramos RTJ. SATIN: a micro and mini satellite mining tool of total genome and coding regions with analysis of perfect repeats polymorphism in coding regions. BMC Bioinformatics 2024; 25:217. [PMID: 38890569 PMCID: PMC11186120 DOI: 10.1186/s12859-024-05842-2] [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: 02/07/2024] [Accepted: 06/12/2024] [Indexed: 06/20/2024] Open
Abstract
BACKGROUND Tandem repeats are specific sequences in genomic DNA repeated in tandem that are present in all organisms. Among the subcategories of TRs we have Satellite repeats, that is divided into macrosatellites, minisatellites, and microsatellites, being the last two of specific interest because they can identify polymorphisms between organisms due to their instability. Currently, most mining tools focus on Simple Sequence Repeats (SSR) mining, and only a few can identify SSRs in the coding regions. RESULTS We developed a microsatellite mining software called SATIN (Micro and Mini SATellite IdentificatioN tool) based on a new sliding window algorithm written in C and Python. It represents a new approach to SSR mining by addressing the limitations of existing tools, particularly in coding region SSR mining. SATIN is available at https://github.com/labgm/SATIN.git . It was shown to be the second fastest for perfect and compound SSR mining. It can identify SSRs from coding regions plus SSRs with motif sizes bigger than 6. Besides the SSR mining, SATIN can also analyze SSRs polymorphism on coding-regions from pre-determined groups, and identify SSRs differentially abundant among them on a per-gene basis. To validate, we analyzed SSRs from two groups of Escherichia coli (K12 and O157) and compared the results with 5 known SSRs from coding regions. SATIN identified all 5 SSRs from 237 genes with at least one SSR on it. CONCLUSIONS The SATIN is a novel microsatellite search software that utilizes an innovative sliding window technique based on a numerical list for repeat region search to identify perfect, and composite SSRs while generating comprehensible and analyzable outputs. It is a tool capable of using files in fasta or GenBank format as input for microsatellite mining, also being able to identify SSRs present in coding regions for GenBank files. In conclusion, we expect SATIN to help identify potential SSRs to be used as genetic markers.
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Affiliation(s)
| | | | - Sandy Ingrid Aguiar Alves
- Simulation and Computational Biology Laboratory, High Performance Computing Center, Federal University of Pará, Belém, Brazil
| | - Kenny da Costa Pinheiro
- Simulation and Computational Biology Laboratory, High Performance Computing Center, Federal University of Pará, Belém, Brazil
| | | | - Rommel Thiago Jucá Ramos
- Simulation and Computational Biology Laboratory, High Performance Computing Center, Federal University of Pará, Belém, Brazil.
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Dallagnol LC, Cônsoli FL. Evolutionary and phylogenetic insights from the mitochondrial genomic analysis of Diceraeus melacanthus and D. furcatus (Hemiptera: Pentatomidae). Sci Rep 2024; 14:12861. [PMID: 38834792 DOI: 10.1038/s41598-024-63584-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/30/2024] [Indexed: 06/06/2024] Open
Abstract
The mitochondrial genomes of D. melacanthus and D. furcatus were sequenced and used to investigate the phylogenetic relationships with 54 species of Pentatomidae. Their mitogenomes are 17,197 and 15,444 bp-long, respectively, including 13 protein-coding genes (PCGs), 2 ribosomal RNA genes, and 22/21 transfer RNA genes, with conserved gene arrangement. Leu, Lys, and Ser were the most common amino acids in their PCGs. PCGs evolutionary analysis indicated their mitogenomes are under purifying selection, and the most conserved genes are from the cytochrome complex, reinforcing their suitability as markers for molecular taxonomy. We identified 490 mtSSRs in 56 Pentatomidae species, with large variation and a positive correlation between mtSSR number and genome size. Three mtSSRs were identified in each Diceraeus species. Only the mtSSR in the nad6 (D. melacanthus) and nad4 (D. furcatus) appear to have application as molecular markers for species characterization. Phylogenetic analysis confirmed the monophyly of Pentatomidae. However, our analysis challenged the monophyly of Pentatominae and Podopinae. We also detected unexpected relationships among some tribes and genera, highlighting the complexity of the internal taxonomic structure of Pentatomidae. Both Diceraeus species were grouped in the same clade with the remaining Carpocorini analyzed.
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Affiliation(s)
- Lilian Cris Dallagnol
- Insect Interactions Laboratory, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil
| | - Fernando Luís Cônsoli
- Insect Interactions Laboratory, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, SP, Brazil.
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Rios-Willars E, Chirinos-Arias MC. Mfind: a tool for DNA barcode analysis in angiosperms and its relationship with microsatellites using a sliding window algorithm. PLANTA 2024; 259:134. [PMID: 38671234 DOI: 10.1007/s00425-024-04420-3] [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: 10/12/2023] [Accepted: 04/17/2024] [Indexed: 04/28/2024]
Abstract
MAIN CONCLUSION Mfind is a tool to analyze the impact of microsatellite presence on DNA barcode specificity. We found a significant correlation between barcode entropy and microsatellite count in angiosperm. Genetic barcodes and microsatellites are some of the identification methods in taxonomy and biodiversity research. It is important to establish a relationship between microsatellite quantification and genetic information in barcodes. In order to clarify the association between the genetic information in barcodes (expressed as Shannon's Measure of Information, SMI) and microsatellites count, a total of 330,809 DNA barcodes from the BOLD database (Barcode of Life Data System) were analyzed. A parallel sliding-window algorithm was developed to compute the Shannon entropy of the barcodes, and this was compared with the quantification of microsatellites like (AT)n, (AC)n, and (AG)n. The microsatellite search method utilized an algorithm developed in the Java programming language, which systematically examined the genetic barcodes from an angiosperm database. For this purpose, a computational tool named Mfind was developed, and its search methodology is detailed. This comprehensive study revealed a broad overview of microsatellites within barcodes, unveiling an inverse correlation between the sumz of microsatellites count and barcodes information. The utilization of the Mfind tool demonstrated that the presence of microsatellites impacts the barcode information when considering entropy as a metric. This effect might be attributed to the concise length of DNA barcodes and the repetitive nature of microsatellites, resulting in a direct influence on the entropy of the barcodes.
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Affiliation(s)
- Ernesto Rios-Willars
- Faculty of Systems, Autonomous University of Coahuila (UAdeC), 25350, Saltillo, Coahuila, México.
| | - Michelle C Chirinos-Arias
- Molecular Biology and Bioinformatics Area, Instituto de Genetica Barbara McClintock (IGBM), Lima, 15022, Peru
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Marin MV, Ratti MF, Peres NA, Goss EM. New Genotypes of Phytophthora nicotianae Found on Strawberry in Florida. PHYTOPATHOLOGY 2024; 114:743-751. [PMID: 37942874 DOI: 10.1094/phyto-05-23-0175-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Phytophthora cactorum is the most common causal agent of Phytophthora crown rot and leather rot of strawberry, but P. nicotianae is also responsible for the disease in Florida. Studies of P. nicotianae populations have suggested that different groups of genotypes are associated with different hosts; however, it is not yet clear how many lineages exist globally and how they are related to different production systems. The aim of this study was to determine the genetic relationships of P. nicotianae isolates from Florida strawberry with genotypes reported from other hosts, quantify the genetic variation on strawberry, and test for an association with nursery source. A total of 49 isolates of P. nicotianae were collected from strawberry plants originating from multiple nursery sources during six seasons of commercial fruit production in Florida. Microsatellite genotyping identified 28 multilocus genotypes on strawberry that were distinct among 208 isolates originating from various hosts and locations. Based on STRUCTURE analysis, two genetic groups were identified: one consisting of isolates from strawberry, and the other comprising samples from different hosts. Multilocus genotypes were shared among nursery sources, and populations defined by nursery were not differentiated. Both mating types were found among the isolates from North Carolina- and California-origin plants and in most strawberry seasons; however, a predominance of A1 was observed, and regular sexual reproduction was not supported by the data. This study reveals a unique genetic population of P. nicotianae associated with strawberry and emphasizes the vital role of nursery monitoring in mitigating disease spread.
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Affiliation(s)
- Marcus V Marin
- Department of Plant Pathology, University of Florida, Gulf Coast Research and Education Center, Wimauma, FL 33598, U.S.A
| | - Maria F Ratti
- Escuela Superior Politecnica del Litoral, Guayaquil, Guayas, República del Ecuador
| | - Natalia A Peres
- Department of Plant Pathology, University of Florida, Gulf Coast Research and Education Center, Wimauma, FL 33598, U.S.A
| | - Erica M Goss
- Department of Plant Pathology and Emerging Pathogens Institute, University of Florida, Gainesville, FL 32611, U.S.A
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Koubínová D, GoFlag Consortium, Grant JR. Microsatellite Content in 397 Nuclear Exons and Their Flanking Regions in the Fern Family Ophioglossaceae. PLANTS (BASEL, SWITZERLAND) 2024; 13:713. [PMID: 38475562 DOI: 10.3390/plants13050713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 03/14/2024]
Abstract
Microsatellites or SSRs are small tandem repeats that are 1-6 bp long. They are usually highly polymorphic and form important portions of genomes. They have been extensively analyzed in humans, animals and model plants; however, information from non-flowering plants is generally lacking. Here, we examined 29 samples of Ophioglossaceae ferns, mainly from the genera Botrychium and Sceptridium. We analyzed the SSR distribution, density and composition in almost 400 nuclear exons and their flanking regions. We detected 45 SSRs in exons and 1475 SSRs in the flanking regions. In the exons, only di-, tri- and tetranucleotides were found, and all of them were 12 bp long. The annotation of the exons containing SSRs showed that they were related to various processes, such as metabolism, catalysis, transportation or plant growth. The flanking regions contained SSRs from all categories, with the most numerous being dinucleotides, followed by tetranucleotides. More than one-third of all the SSRs in the flanking regions were 12 bp long. The SSR densities in the exons were very low, ranging from 0 to 0.07 SSRs/kb, while those in the flanking regions ranged from 0.24 to 0.81 SSRs/kb; and those in the combined dataset ranged from 0.2 to 0.81 SSRs/kb. The majority of the detected SSRs in the flanking regions were polymorphic and present at the same loci across two or more samples but differing in the number of repeats. The SSRs detected here may serve as a basis for further population genetic, phylogenetic or evolutionary genetic studies, as well as for further studies focusing on SSRs in the genomes and their roles in adaptation, evolution and diseases.
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Affiliation(s)
- Darina Koubínová
- Institute of Biology, University of Neuchâtel, Rue Emile Argand 11, 2000 Neuchâtel, Switzerland
| | - GoFlag Consortium
- Institute of Biology, University of Neuchâtel, Rue Emile Argand 11, 2000 Neuchâtel, Switzerland
| | - Jason R Grant
- Institute of Biology, University of Neuchâtel, Rue Emile Argand 11, 2000 Neuchâtel, Switzerland
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Nayak AK, Golive P, Sasmal A, Devanna BN, Anilkumar C, Mukherjee AK, Dash SS, Das Mohapatra S, Subudhi H. Exploring genetic divergence and marker-trait associations for leaffolder Cnaphalocrocis medinalis (Guenee) resistance in rice landraces. 3 Biotech 2024; 14:90. [PMID: 38414829 PMCID: PMC10894780 DOI: 10.1007/s13205-024-03930-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 01/11/2024] [Indexed: 02/29/2024] Open
Abstract
Rice production faces a significant threat from the rice leaffolder, Cnaphalocrocis medinalis. To address this challenge, growing resistant varieties stands out as a sustainable and eco-friendly pest management strategy. This necessitates identifying resistant sources and understanding their inheritance patterns through employing DNA markers for marker-assisted resistance breeding. Our study involves screening for resistant cultivars following the SES of IRRI, assessing genetic diversity among landraces using molecular markers, and identifying genomic regions associated with resistance. Screening indicated that 33.33%, 27.08%, 19.79%, and 19.80% of genotypes were resistant, moderately resistant, susceptible, and admixture, respectively. Landraces were categorized into three clusters, with clusters I and II predominantly containing moderately resistant and resistant cultivars, and cluster III mainly susceptible types. Molecular variance analysis revealed 12% variation among populations and 88% within the population. Simple linear regression identified significant marker-trait associations, with markers RM 162 and RM 284 on chromosomes 6 and 8, respectively, found highly associated with leaffolder resistance. Phenotypic variation in leaffolder damage correlated highly with the allelic effects of these markers. Further confirmation of marker linkage with resistance loci was established through independent assays on highly resistant and susceptible genotypes. The information derived from genetic diversity and marker-trait associations will be useful for future marker-assisted resistance breeding programs, enhancing the sustainability of rice production.
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Affiliation(s)
- Anjan Kumar Nayak
- Department of Entomology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003 India
| | - Prasanthi Golive
- Crop Protection Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
| | - Arundhati Sasmal
- Department of Entomology, College of Agriculture, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha 751003 India
| | - B. N. Devanna
- Crop Improvement Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
| | - C. Anilkumar
- Crop Improvement Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
| | - Arup Kumar Mukherjee
- Crop Protection Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
| | - Soumya Shephalika Dash
- Crop Protection Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
| | | | - Hatanath Subudhi
- Crop Improvement Division, ICAR-National Rice Research Institute, Cuttack, Odisha 753006 India
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Bergez-Hernández F, Luque-Ortega F, García-Magallanes N, Alvarez-Arrazola M, Arámbula-Meraz E. Deletion in a regulatory region is associated with underexpression of miR-148b‑3p in patients with prostate cancer. Biomed Rep 2024; 20:52. [PMID: 38357236 PMCID: PMC10865175 DOI: 10.3892/br.2024.1740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/02/2024] [Indexed: 02/16/2024] Open
Abstract
Prostate cancer (PCa) is the leading cause of cancer-related death in men. This pathology is complex and heterogeneous; therefore, elucidating the molecular mechanisms that lead to its origin and progression is imperative. MicroRNAs (miRNAs or miRs) are part of the epigenetic machinery that regulates the expression of human genes, therefore, mutations in the genes that encode them can lead to a dysregulation in their expression, which directly impacts their target genes, which could be oncogenes or tumor suppressor genes. In PCa several dysregulated expression levels of miRNAs are associated with perturbed cellular processes. A differential expression of miRNAs such as miR-145-5p and miR-148-3p has been observed in PCa, possibly due to mutations in regions near the miRNAs. However, the molecular mechanisms that lead to the dysregulation of these miRNAs still need to be clarified. Therefore, the present study aimed to analyze the expression of miRNAs and their relationship with mutations in patients with and without PCa. In total, 71 patients were analyzed: 41 of whom had PCa (CAP group) and 30 with benign pathology (BPD group). Underexpression was observed in miR-145-5p and miR-148b-3p in PCa patients (P=0.03 and P=0.001, respectively). In miR-145-5p, no mutations related to its expression were identified. For miR-148b-3p, a set of mutations were identified in the chr12:54337042/54337043 region, which were grouped into the mutation named DelsAAG. Although this mutation's abnormal allele is related to PCa (P=0.017), a statistically significant difference was observed in the expression of miR-148b-3p between carriers and non-carriers of the mutated allele, identifying a mechanism likely to be involved in the miR-148b-3p dysregulation.
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Affiliation(s)
- Fernando Bergez-Hernández
- Postgraduate in Biomedical Sciences, Faculty of Chemical-Biological Sciences, Autonomous University of Sinaloa, Culiacán, 80010 Sinaloa, México
| | - Fred Luque-Ortega
- Basic Sciences Laboratory, Faculty of Dentistry, Autonomous University of Sinaloa, Culiacán, 80100 Sinaloa, México
| | - Noemí García-Magallanes
- Laboratory of Biomedicine and Molecular Biology, Biotechnology Engineering, Polytechnic University of Sinaloa, Mazatlán, 82199 Sinaloa, México
| | | | - Eliakym Arámbula-Meraz
- Postgraduate in Biomedical Sciences, Faculty of Chemical-Biological Sciences, Autonomous University of Sinaloa, Culiacán, 80010 Sinaloa, México
- Laboratory of Genetics and Molecular Biology, Faculty of Chemical-Biological Sciences, Autonomous University of Sinaloa, Culiacán, 80010 Sinaloa, México
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8
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Cadorna CAE, Pahayo DG, Rey JD. The first mitochondrial genome of Calophyllum soulattri Burm.f. Sci Rep 2024; 14:5112. [PMID: 38429360 PMCID: PMC10907642 DOI: 10.1038/s41598-024-55016-6] [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: 09/28/2023] [Accepted: 02/19/2024] [Indexed: 03/03/2024] Open
Abstract
Calophyllum soulattri Burm.f. is traditionally used to treat skin infections and reduce rheumatic pain, yet genetic and genomic studies are still limited. Here, we present the first complete mitochondrial genome of C. soulattri. It is 378,262 bp long with 43.97% GC content, containing 55 genes (30 protein-coding, 5 rRNA, and 20 tRNA). Repeat analysis of the mitochondrial genome revealed 194 SSRs, mostly mononucleotides, and 266 pairs of dispersed repeats ( ≥ 30 bp) that were predominantly palindromic. There were 23 homologous fragments found between the mitochondrial and plastome genomes. We also predicted 345 C-to-U RNA editing sites from 30 protein-coding genes (PCGs) of the C. soulatrii mitochondrial genome. These RNA editing events created the start codon of nad1 and the stop codon of ccmFc. Most PCGs of the C. soulattri mitochondrial genome underwent negative selection, but atp4 and ccmB experienced positive selection. Phylogenetic analyses showed C. soulattri is a sister taxon of Garcinia mangostana. This study has shed light on C. soulattri's evolution and Malpighiales' phylogeny. As the first complete mitochondrial genome in Calophyllaceae, it can be used as a reference genome for other medicinal plant species within the family for future genetic studies.
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Affiliation(s)
- Charles Anthon E Cadorna
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines
| | - Dexter G Pahayo
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines
| | - Jessica D Rey
- Plant Molecular Phylogenetics Laboratory, Institute of Biology, College of Science, University of the Philippines, Diliman, 1101, Quezon City, Philippines.
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Mao ML, Luo T, Li W, Xiao N, Deng HQ, Zhou J. Isolation and characterisation of 17 microsatellite DNA loci from RAD reduced-representation genomes for Asian warty newts, genus Paramesotriton (Caudata: Salamandridae). Biodivers Data J 2024; 12:e113979. [PMID: 38348181 PMCID: PMC10859859 DOI: 10.3897/bdj.12.e113979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/12/2023] [Indexed: 02/15/2024] Open
Abstract
Asian warty newts, genus Paramesotriton, are endemic to southern China and northern Vietnam. Despite the achievements in biodiversity, molecular systematics and biogeography of species in this genus, population genetic diversity studies are lacking due to the lack of economical and available genetic markers. In this study, we developed 17 highly polymorphic microsatellite loci from RAD simplified genomic data for the Asian warty newts, genus Paramesotriton and successfully completed cross-species amplification tests on 20 samples of four species of Paramesotriton. These microsatellite markers can be used as important tools to study population genetic structure, levels of gene flow, population differentiation, mating systems and landscape genetics within the genus Paramesotriton and, thus, to make scientific conservation decisions and actions for the conservation of these rare and endangered amphibians.
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Affiliation(s)
- Ming-Le Mao
- School of Karst Science, Guizhou Normal University, Guiyang, ChinaSchool of Karst Science, Guizhou Normal UniversityGuiyangChina
| | - Tao Luo
- School of Life Sciences, Guizhou Normal University, Guiyang, ChinaSchool of Life Sciences, Guizhou Normal UniversityGuiyangChina
| | - Wei Li
- School of Life Sciences, Guizhou Normal University, Guiyang, ChinaSchool of Life Sciences, Guizhou Normal UniversityGuiyangChina
| | - Ning Xiao
- Guiyang Healthcare Vocational University, Guiyang, ChinaGuiyang Healthcare Vocational UniversityGuiyangChina
| | - Huai-Qing Deng
- School of Life Sciences, Guizhou Normal University, Guiyang, ChinaSchool of Life Sciences, Guizhou Normal UniversityGuiyangChina
| | - Jiang Zhou
- School of Karst Science, Guizhou Normal University, Guiyang, ChinaSchool of Karst Science, Guizhou Normal UniversityGuiyangChina
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Feldmeyer B, Bornberg-Bauer E, Dohmen E, Fouks B, Heckenhauer J, Huylmans AK, Jones ARC, Stolle E, Harrison MC. Comparative Evolutionary Genomics in Insects. Methods Mol Biol 2024; 2802:473-514. [PMID: 38819569 DOI: 10.1007/978-1-0716-3838-5_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2024]
Abstract
Genome sequencing quality, in terms of both read length and accuracy, is constantly improving. By combining long-read sequencing technologies with various scaffolding techniques, chromosome-level genome assemblies are now achievable at an affordable price for non-model organisms. Insects represent an exciting taxon for studying the genomic underpinnings of evolutionary innovations, due to ancient origins, immense species-richness, and broad phenotypic diversity. Here we summarize some of the most important methods for carrying out a comparative genomics study on insects. We describe available tools and offer concrete tips on all stages of such an endeavor from DNA extraction through genome sequencing, annotation, and several evolutionary analyses. Along the way we describe important insect-specific aspects, such as DNA extraction difficulties or gene families that are particularly difficult to annotate, and offer solutions. We describe results from several examples of comparative genomics analyses on insects to illustrate the fascinating questions that can now be addressed in this new age of genomics research.
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Affiliation(s)
- Barbara Feldmeyer
- Senckenberg Biodiversity and Climate Research Centre (SBiK-F), Molecular Ecology, Frankfurt, Germany
| | - Erich Bornberg-Bauer
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
- Department of Protein Evolution, Max Planck Institute for Developmental Biology, Tübingen, Germany
| | - Elias Dohmen
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
| | - Bertrand Fouks
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
| | - Jacqueline Heckenhauer
- LOEWE Centre for Translational Biodiversity Genomics (LOEWE-TBG), Frankfurt, Germany
- Department of Terrestrial Zoology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt, Germany
| | - Ann Kathrin Huylmans
- Institute of Organismic and Molecular Evolution, Johannes Gutenberg University, Mainz, Germany
| | - Alun R C Jones
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany
| | - Eckart Stolle
- Museum Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Bonn, Germany
| | - Mark C Harrison
- Institute for Evolution and Biodiversity, University of Münster, Münster, Germany.
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Limbalkar OM, Vasisth P, Singh G, Jain P, Sharma M, Singh R, Dhanasekaran G, Kumar M, Meena ML, Iquebal MA, Jaiswal S, Rao M, Watts A, Bhattacharya R, Singh KH, Kumar D, Singh N. Dissection of QTLs conferring drought tolerance in B. carinata derived B. juncea introgression lines. BMC PLANT BIOLOGY 2023; 23:664. [PMID: 38129793 PMCID: PMC10740311 DOI: 10.1186/s12870-023-04614-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/16/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Drought is one of the important abiotic stresses that can significantly reduce crop yields. In India, about 24% of Brassica juncea (Indian mustard) cultivation is taken up under rainfed conditions, leading to low yields due to moisture deficit stress. Hence, there is an urgent need to improve the productivity of mustard under drought conditions. In the present study, a set of 87 B. carinata-derived B. juncea introgression lines (ILs) was developed with the goal of creating drought-tolerant genotypes. METHOD The experiment followed the augmented randomized complete block design with four blocks and three checks. ILs were evaluated for seed yield and its contributing traits under both rainfed and irrigated conditions in three different environments created by manipulating locations and years. To identify novel genes and alleles imparting drought tolerance, Quantitative Trait Loci (QTL) analysis was carried out. Genotyping-by-Sequencing (GBS) approach was used to construct the linkage map. RESULTS The linkage map consisted of 5,165 SNP markers distributed across 18 chromosomes and spanning a distance of 1,671.87 cM. On average, there was a 3.09 cM gap between adjoining markers. A total of 29 additive QTLs were identified for drought tolerance; among these, 17 (58.6% of total QTLs detected) were contributed by B. carinata (BC 4), suggesting a greater contribution of B. carinata towards improving drought tolerance in the ILs. Out of 17 QTLs, 11 (64.7%) were located on the B genome, indicating more introgression segments on the B genome of B. juncea. Eight QTL hotspots, containing two or more QTLs, governing seed yield contributing traits, water use efficiency, and drought tolerance under moisture deficit stress conditions were identified. Seventeen candidate genes related to biotic and abiotic stresses, viz., SOS2, SOS2 like, NPR1, FAE1-KCS, HOT5, DNAJA1, NIA1, BRI1, RF21, ycf2, WRKY33, PAL, SAMS2, orf147, MAPK3, WRR1 and SUS, were reported in the genomic regions of identified QTLs. CONCLUSIONS The significance of B. carinata in improving drought tolerance and WUE by introducing genomic segments in Indian mustard is well demonstrated. The findings also provide valuable insights into the genetic basis of drought tolerance in mustard and pave the way for the development of drought-tolerant varieties.
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Affiliation(s)
- Omkar Maharudra Limbalkar
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
- Present Address: ICAR-Indian Institute of Agricultural Biotechnology, Ranchi, Jharkhand, India
| | - Prashant Vasisth
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Guman Singh
- ICAR-Directorate of Rapeseed-Mustard Research, Sewar, Bharatpur, Rajasthan, India
| | - Priyanka Jain
- Division of Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
- Present Address: AIMMSCR, Amity University Uttar Pradesh, Sector 125, Noida, Uttar Pradesh, 201313, India
| | - Mohit Sharma
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Rajendra Singh
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Gokulan Dhanasekaran
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Manish Kumar
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
- Present Address: College of Agriculture, Navgaon, Alwar, Sri Karan Narendra Agriculture University, Jobner, Rajasthan, India
| | - Mohan Lal Meena
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India
| | - Mir Asif Iquebal
- Division of Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Sarika Jaiswal
- Division of Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Mahesh Rao
- ICAR-National Institute for Plant Biotechnology, New Delhi, India
| | - Anshul Watts
- ICAR-National Institute for Plant Biotechnology, New Delhi, India
| | | | - Kunwar Harendra Singh
- ICAR-Directorate of Rapeseed-Mustard Research, Sewar, Bharatpur, Rajasthan, India
- Present Address: ICAR, Indian Institute of Soybean Research, Indore, Madhya Pradesh, India
| | - Dinesh Kumar
- Division of Agricultural Bioinformatics, ICAR-Indian Agricultural Statistics Research Institute, New Delhi, India
| | - Naveen Singh
- Division of Genetics, Indian Council of Agricultural Research (ICAR)-Indian Agricultural Research Institute, New Delhi, India.
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Mokhtar MM, Alsamman AM, El Allali A. MegaSSR: a web server for large scale microsatellite identification, classification, and marker development. FRONTIERS IN PLANT SCIENCE 2023; 14:1219055. [PMID: 38162302 PMCID: PMC10757629 DOI: 10.3389/fpls.2023.1219055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 08/18/2023] [Indexed: 01/03/2024]
Abstract
Next-generation sequencing technologies have opened new avenues for using genomic data to study and develop molecular markers and improve genetic resources. Simple Sequence Repeats (SSRs) as genetic markers are increasingly used in molecular diversity and molecular breeding programs that require bioinformatics pipelines to analyze the large amounts of data. Therefore, there is an ongoing need for online tools that provide computational resources with minimal effort and maximum efficiency, including automated development of SSR markers. These tools should be flexible, customizable, and able to handle the ever-increasing amount of genomic data. Here we introduce MegaSSR (https://bioinformatics.um6p.ma/MegaSSR), a web server and a standalone pipeline that enables the design of SSR markers in any target genome. MegaSSR allows users to design targeted PCR-based primers for their selected SSR repeats and includes multiple tools that initiate computational pipelines for SSR mining, classification, comparisons, PCR primer design, in silico PCR validation, and statistical visualization. MegaSSR results can be accessed, searched, downloaded, and visualized with user-friendly web-based tools. These tools provide graphs and tables showing various aspects of SSR markers and corresponding PCR primers. MegaSSR will accelerate ongoing research in plant species and assist breeding programs in their efforts to improve current genomic resources.
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Affiliation(s)
- Morad M. Mokhtar
- Bioinformatics Laboratory, College of Computing, Mohammed VI Polytechnic University, Benguerir, Morocco
- Agricultural Genetic Engineering Research Institute, Agricultural Research Center, Giza, Egypt
| | - Alsamman M. Alsamman
- Bioinformatics Laboratory, College of Computing, Mohammed VI Polytechnic University, Benguerir, Morocco
- Agricultural Genetic Engineering Research Institute, Agricultural Research Center, Giza, Egypt
- Biotechnology Department, International Center for Agricultural Research in the Dry Areas (ICARDA), Giza, Egypt
| | - Achraf El Allali
- Bioinformatics Laboratory, College of Computing, Mohammed VI Polytechnic University, Benguerir, Morocco
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Luna R, Acuña W, Gutiérrez G, Castro Muñoz MDR, Veli E. Genetic diversity in creole pigs in south central Peru. Trop Anim Health Prod 2023; 55:426. [PMID: 38030863 DOI: 10.1007/s11250-023-03839-2] [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: 04/26/2023] [Accepted: 11/21/2023] [Indexed: 12/01/2023]
Abstract
The creole pigs represent 67% of the national population in Peru. They are a source of economic income in rural communities, and due to their rusticity, they are not much labor demanding. However, knowledge about its genetic diversity remains scarce. The objective of this study was to determine the population structure and genetic diversity of creole pigs from rural communities in south central Peru. Thirteen microsatellites were used to characterize 120 creole pigs from the departments of Ayacucho (57) and Apurimac (63). The samples were taken from hair follicles and ear tissue. Nine microsatellites were highly polymorphic and informative (PIC > 0.5) for both departments. The Ayacucho population had a mean number of alleles (MNA) and expected heterozygosity (HE) of 8.8 and 0.68, respectively, while in the Apurimac population, these were 8.9 and 0.71, respectively. Both populations showed in less than 50% of their loci a deviation from Hardy-Weinberg equilibrium. There was a moderate genetic structure according to the analysis of molecular variance and the FST statistics (0.06), which was corroborated by Bayesian methods. In conclusion, the genetic diversity was mostly due to the intrapopulation variance (91%). Some individuals from Ayacucho shared similar alleles with those from Apurimac. This latter result may be due to their geographic proximity and the introduction of the same new exotic breeds. This is the first research on the genetic diversity of creole pigs in south central Peru. In fact, this study could serve as a basis for conservation strategies and actions in this region.
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Affiliation(s)
- Rosa Luna
- Departamento de Producción Animal, Facultad de Zootecnia, Universidad Nacional Agraria La Molina, Av. La Molina S/N, La Molina, Lima, Peru, C.P. 15024
| | - Wendy Acuña
- Laboratorio de Biología Molecular y Genómica, Dirección de Recursos Genéticos y Biotecnología, Instituto Nacional de Innovación Agraria, Av. La Molina 1981, Lima, Peru, C.P. 15024
| | - Gustavo Gutiérrez
- Departamento de Producción Animal, Facultad de Zootecnia, Universidad Nacional Agraria La Molina, Av. La Molina S/N, La Molina, Lima, Peru, C.P. 15024
| | - María Del Rosario Castro Muñoz
- Departamento de Biología, Facultad de Ciencias, Universidad Nacional Agraria La Molina, Av. La Molina S/N, La Molina, Lima, Peru, C.P. 15024.
| | - Eudosio Veli
- Laboratorio de Biología Molecular y Genómica, Dirección de Recursos Genéticos y Biotecnología, Instituto Nacional de Innovación Agraria, Av. La Molina 1981, Lima, Peru, C.P. 15024
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14
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Francisconi AF, Marroquín JAM, Cauz-Santos LA, van den Berg C, Martins KKM, Costa MF, Picanço-Rodrigues D, de Alencar LD, Zanello CA, Colombo CA, Hernández BGD, Amaral DT, Lopes MTG, Veasey EA, Zucchi MI. Complete chloroplast genomes of six neotropical palm species, structural comparison, and evolutionary dynamic patterns. Sci Rep 2023; 13:20635. [PMID: 37996522 PMCID: PMC10667357 DOI: 10.1038/s41598-023-44631-4] [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: 01/25/2023] [Accepted: 10/10/2023] [Indexed: 11/25/2023] Open
Abstract
The Arecaceae family has a worldwide distribution, especially in tropical and subtropical regions. We sequenced the chloroplast genomes of Acrocomia intumescens and A. totai, widely used in the food and energy industries; Bactris gasipaes, important for palm heart; Copernicia alba and C. prunifera, worldwide known for wax utilization; and Syagrus romanzoffiana, of great ornamental potential. Copernicia spp. showed the largest chloroplast genomes (C. prunifera: 157,323 bp and C. alba: 157,192 bp), while S. romanzoffiana and B. gasipaes var. gasipaes presented the smallest (155,078 bp and 155,604 bp). Structurally, great synteny was detected among palms. Conservation was also observed in the distribution of single sequence repeats (SSR). Copernicia spp. presented less dispersed repeats, without occurrence in the small single copy (SSC). All RNA editing sites were C (cytidine) to U (uridine) conversions. Overall, closely phylogenetically related species shared more sites. Almost all nodes of the phylogenetic analysis showed a posterior probability (PP) of 1.0, reaffirming the close relationship between Acrocomia species. These results elucidate the conservation among palm chloroplast genomes, but point to subtle structural changes, providing support for the evolutionary dynamics of the Arecaceae family.
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Affiliation(s)
- Ana Flávia Francisconi
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Jonathan Andre Morales Marroquín
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Luiz Augusto Cauz-Santos
- Department of Botany and Biodiversity Research, University of Vienna, Rennweg 14, 1030, Wien, Austria
| | - Cássio van den Berg
- Departamento de Ciências Biológicas, Universidade Estadual de Feira de Santana, Av. Transnordestina S/N-Novo Horizonte, Feira de SantanaFeira de Santana, Bahia, CEP 44036-900, Brazil
| | - Kauanne Karolline Moreno Martins
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Marcones Ferreira Costa
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
- Universidade Federal do Piauí, BR-343 Km 3.5, Floriano, Piauí, CEP 64808-605, Brazil
| | - Doriane Picanço-Rodrigues
- Departamento de Biologia, Universidade Federal do Amazonas, Avenida Gen. Rodrigo Octávio Jordão Ramos, 3000-Coroado I-Campus Universitário-Senador Arthur Virgílio Filho-Setor Sul, Bloco H, Manaus, Amazonas, CEP 69077-000, Brazil
| | - Luciano Delmodes de Alencar
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Cesar Augusto Zanello
- Programa de Pós-Gradução em Genética e Biologia Molecular, Universidade Estadual de Campinas, R. Monteiro Lobato, 255-Barão Geraldo, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Carlos Augusto Colombo
- Instituto Agronômico, Av. Theodureto de Almeida Camargo, 1500, Campinas, São Paulo, CEP 13075-630, Brazil
| | | | - Danilo Trabuco Amaral
- Departamento de Biologia, Centro de Ciências Humanas e Biológicas, Universidade Federal do ABC, Avenida dos Estados, 5001, Santo André, São Paulo, CEP 09040-040, Brazil
| | - Maria Teresa Gomes Lopes
- Faculdade de Ciências Agrárias, Universidade Federal do Amazonas, Avenida Rodrigo Otávio Ramos, 3000-Bairro Coroado, Manaus, Amazonas, CEP 69077-000, Brazil
| | - Elizabeth Ann Veasey
- Departamento de Genética, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Avenida Pádua Dias, 11-Bairro São Dimas, Piracicaba, São Paulo, CEP 13418-900, Brazil
| | - Maria Imaculada Zucchi
- Agência Paulista de Tecnologia dos Agronegócios (APTA), Polo Centro Sul, Rodovia SP 127 Km 30, CP 28, Piracicaba, São Paulo, CEP 13400-970, Brazil.
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15
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Engloner AI, Németh K, Kós PB, Meglécz E, Bereczki J. Genetic diversity of the submerged macrophyte Ceratophyllum demersum depends on habitat hydrology and habitat fragmentation. FRONTIERS IN PLANT SCIENCE 2023; 14:1277916. [PMID: 38023870 PMCID: PMC10665863 DOI: 10.3389/fpls.2023.1277916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023]
Abstract
The adaptability of plant populations to a changing environment depends on their genetic diversity, which in turn is influenced by the degree of sexual reproduction and gene flow from distant areas. Aquatic macrophytes can reproduce both sexually and asexually, and their reproductive fragments are spread in various ways (e.g. by water). Although these plants are obviously exposed to hydrological changes, the degree of vulnerability may depend on the types of their reproduction and distribution, as well as the hydrological differences of habitats. The aim of this study was to investigate the genetic diversity of the cosmopolitan macrophyte Ceratophyllum demersum in hydrologically different aquatic habitats, i.e. rivers and backwaters separated from the main river bed to a different extent. For this purpose, the first microsatellite primer set was developed for this species. Using 10 developed primer pairs, a high level of genetic variation was explored in C. demersum populations. Overall, more than 80% of the loci were found to be polymorphic, a total of 46 different multilocus genotypes and 18 private alleles were detected in the 63 individuals examined. The results demonstrated that microsatellite polymorphism in this species depends on habitat hydrology. The greatest genetic variability was revealed in populations of rivers, where flowing water provides constant longitudinal connections with distant habitats. The populations of the hydrologically isolated backwaters showed the lowest microsatellite polymorphism, while plants from an oxbow occasionally flooded by the main river had medium genetic diversity. The results highlight that in contrast to species that spread independently of water flow or among hydrologically isolated water bodies, macrophytes with exclusive or dominant hydrochory may be most severely affected by habitat fragmentation, for example due to climate change.
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Affiliation(s)
- Attila I. Engloner
- Institute of Aquatic Ecology, Centre for Ecological Research, Budapest, Hungary
| | - Kitti Németh
- Institute of Aquatic Ecology, Centre for Ecological Research, Budapest, Hungary
| | - Péter B. Kós
- Institute of Plant Biology, Biological Research Centre, Eötvös Loránd Research Network, Szeged, Hungary
- Department of Biotechnology, Faculty of Science and Informatics, Szeged University, Szeged, Hungary
| | - Emese Meglécz
- Aix Marseille University, Avignon University, French National Center for Scientific Research (CNRS), French National Research Institute for Sustainable Development (IRD), Mediterranean Institute of Marine and Terrestrial Biodiversity and Ecology (IMBE), Marseille, France
| | - Judit Bereczki
- Molecular Taxonomy Laboratory, Hungarian Natural History Museum, Budapest, Hungary
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Bei L, He C, Liu J, Han C, Zhou H, Zhaorigetu, Siqintuya, Li J, Su X, Wang Y, Chen Q, Nashun, Daolema, Meng H. Genome-wide identification and characterization of microsatellite markers in Bactrian Camel. Genomics 2023; 115:110726. [PMID: 37832857 DOI: 10.1016/j.ygeno.2023.110726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/05/2023] [Accepted: 10/08/2023] [Indexed: 10/15/2023]
Abstract
Simple sequence repeats (SSRs) have been widely used for parentage testing, marker-assisted selection, and evolutionary studies. The insufficient availability of SSR markers in Bactrian camels partially accounts for the lack of systematic breeding. Therefore, we aimed to establish a comprehensive SSR dataset for the Bactrian camel. Our approach involved genome searching to locate every SSR in the genome, SSR-enriched sequencing to acquire polymorphism information, and literature research to collect published data. The resulting dataset contains 213,711 SSRs and details their characteristics, including genome coordinates, motifs, lengths, annotations, PCR primers, and polymorphism information. The dataset reveals a biased distribution of SSRs in the Bactrian camel genome, reflecting the mutation mechanism and complex evolution of SSRs. In practice, we successfully demonstrated the utility of the dataset through parentage testing using 15 randomly selected SSRs. This comprehensive dataset can facilitate systematic breeding and enable QTL mapping and GWAS of the Bactrian camel.
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Affiliation(s)
- Lanxin Bei
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Chuan He
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Jiajia Liu
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Chengxiao Han
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Hao Zhou
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Zhaorigetu
- Animal Husbandry Institute of Alxa League, 750306, Inner Mongolia, China
| | - Siqintuya
- Animal Husbandry Institute of Alxa League, 750306, Inner Mongolia, China
| | - Jing Li
- Animal Husbandry Institute of Alxa League, 750306, Inner Mongolia, China
| | - Xue Su
- Animal Husbandry Institute of Alxa League, 750306, Inner Mongolia, China
| | - Yunfei Wang
- Bayannur Institute of Agriculture & Animal Husbandry Science, 015000, Inner Mongolia, China
| | - Qiujv Chen
- Bayannur Institute of Agriculture & Animal Husbandry Science, 015000, Inner Mongolia, China
| | - Nashun
- Alxa Left Banner Agriculture and Animal Husbandry Comprehensive Administrative Law Enforcement Brigade, 735499, Inner Mongolia, China
| | - Daolema
- Animal Husbandry Institute of Alxa League, 750306, Inner Mongolia, China.
| | - He Meng
- Shanghai Key Laboratory of Veterinary Biotechnology, School of Agriculture and Biology, Shanghai Jiao Tong University, 200240 Shanghai, China.
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Ahmed SF, Ahmed JU, Hasan M, Mohi-Ud-Din M. Assessment of genetic variation among wheat genotypes for drought tolerance utilizing microsatellite markers and morpho-physiological characteristics. Heliyon 2023; 9:e21629. [PMID: 38027610 PMCID: PMC10658252 DOI: 10.1016/j.heliyon.2023.e21629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 09/18/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023] Open
Abstract
Drought is a major abiotic stress that severely limits sustainable wheat (Triticum aestivum L.) productivity via morphological and physio-biochemical alterations of cellular processes. The complex nature and polygenic control of drought tolerance traits make breeding tolerant genotypes quite challenging. However, naturally occurring variabilities among wheat germplasm resources could potentially help combating drought. The present study was conducted to assess the drought tolerance of 18 Bangladeshi hexaploid wheat genotypes, focusing on the identification of potent sources of diversity by combining microsatellite markers, also known as single sequence repeat markers, and morpho-physiological characteristics that might help accelerating wheat crop improvement programs. Initially, the genotypes were evaluated using 25 microsatellite markers followed by an on-field evaluation of 7 morphological traits (plant height, spike number, spike length, grains per spike, 1000-grain weight, grain yield, biological yield) and 6 physiological traits (SPAD value, membrane stability index, leaf relative water content, proline content, canopy temperature depression, and leaf K+ ion content). The field-trial was conducted in a factorial fashion of 18 wheat genotypes and two water regimes (control and drought) following a split-plot randomized complete block design. Regardless of genotype, drought was significantly damaging for all the tested traits; however, substantial variability in drought stress tolerance was evident among the genotypes. Spike length, 1000-grain weight, SPAD value, leaf relative water content, canopy temperature depression, proline content, and potassium (K+) ion content were the most representative of drought-induced growth and yield impairments and also correlated well with the contrasting ability of genotypic tolerance. Microsatellite markers amplified 244 alleles exhibiting 79% genetic diversity. Out of 25 markers, 23 was highly polymorphic showing 77% average polymorphism. Morpho-physiological trait-based hierarchical clustering and microsatellite marker-based neighbor-jointing clustering both revealed three genotypic clusters with 71% co-linearity between them. In both cases, the genotypes Kanchan, BAW-1147, BINA Gom 1, BARI Gom 22, BARI Gom 26, and BARI Gom 33 were found to be comparatively more tolerant than the other tested genotypes, showing potential for cultivation in water-deficit environments. The findings of this study would contribute to the present understanding of drought tolerance in wheat and would provide a basis for future genotype selection for drought-tolerant wheat breeding programs.
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Affiliation(s)
- Sheikh Faruk Ahmed
- Department of Crop Botany, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
| | - Jalal Uddin Ahmed
- Department of Crop Botany, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
| | - Mehfuz Hasan
- Department of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
| | - Mohammed Mohi-Ud-Din
- Department of Crop Botany, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, 1706, Bangladesh
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Sharma H, Shayaba, Kumar R, Kumar J, Bhadana D, Batra R, Singh R, Kumar S, Roy JK, Balyan HS, Gupta PK. Comparative analysis of VMT genes/proteins in selected plant species with emphasis on bread wheat (Triticum aestivum L.). Genes Genomics 2023; 45:1445-1461. [PMID: 37493927 DOI: 10.1007/s13258-023-01427-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 07/09/2023] [Indexed: 07/27/2023]
Abstract
BACKGROUND In recent years, the study of molecular basis of uptake, transport and utilization of grain Fe/Zn (GFe/GZn) in wheat has been an active area of research. As a result, it has been shown that a number of transporters are involved in uptake and transport of Fe. In a recent study, knockout of a transporter gene OsVMT (VACUOLAR MUGINEIC ACID TRANSPORTER) in rice was shown to be involved in Fe homoeostasis. OBJECTIVE In this study, we analysed VMT genes among six monocots and three dicots with major emphasis on wheat VMT genes (TaVMTs), taking OsVMT gene as a reference. METHODS AND RESULTS Using OsVMT gene as a reference, VMT genes were identified and sequence similarities were examined among six monocots and three dicots. Each VMT protein carried one functional domain and 7 to 10 distinct motifs (including 9 novel motifs). The qRT-PCR analysis showed differential expression by all the six TaVMT genes in pairs of contrasting wheat genotypes with high (FAR4 and WB02) and low (K8027 and HD3226) GFe/GZn at two different grain filling stages (14 DAA and 28 DAA). TaVMT1 genes showed up-regulation in high GFe/Zn genotypes relative to low GFe/Zn genotypes, whereas the TaVMT2 genes showed down-regulation or nonsignificant up-regulation in a few cases. CONCLUSIONS At 14 DAA, each of the six TaVMT genes exhibited higher expression in wheat genotypes with high GFe and GZn relative to those with low GFe and GZn, suggesting major role of VMT genes in improvement of grain Fe/Zn homoeostasis, thus making TaVMT genes useful for improvement in Fe/Zn in wheat grains.
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Affiliation(s)
- Hemant Sharma
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Shayaba
- Multanimal Modi College, Modinagar, Ghaziabad, UP, India
| | - Rahul Kumar
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India.
| | - Jitendra Kumar
- National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | - Deepa Bhadana
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Ritu Batra
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Rakhi Singh
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Sachin Kumar
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Joy K Roy
- National Agri-Food Biotechnology Institute, Mohali, Punjab, India
| | - Harindra S Balyan
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
| | - Pushpendra K Gupta
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, UP, India
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19
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Safaa H, Khaled R, Isaac S, Mostafa R, Ragab M, Elsayed DAA, Helal M. Genome-wide in silico characterization, validation, and cross-species transferability of microsatellite markers in Mallard and Muscovy ducks. J Genet Eng Biotechnol 2023; 21:105. [PMID: 37856056 PMCID: PMC10587045 DOI: 10.1186/s43141-023-00556-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 10/08/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND Microsatellites are important markers for livestock including ducks. The development of microsatellites is expensive and labor-intensive. Meanwhile, the in silico approach for mining for microsatellites became a practicable alternative. Therefore, the current study aimed at comparing whole-genome and chromosome-wise microsatellite mining approaches in Muscovy and Mallard ducks and testing the transferability of markers between them. The GMATA software was used for the in silico study, and validation was performed using 26 primers. RESULTS The total number of the detected microsatellites using chromosome-wise was 250,053 and 226,417 loci compared to 260,059 and 238,462 loci using whole genome in Mallards and Muscovies. The frequencies of different motifs had similar patterns using the two approaches. Dinucleotide motifs were predominant (> 50%) in both Mallards and Muscovies. The amplification of the genomes revealed an average number of alleles of 5.08 and 4.96 in Mallards and Muscovies. One locus was monographic in Mallards, and two were monomorphic in Muscovies. The average expected heterozygosity was higher in Muscovy than in Mallards (0.45 vs. 0.43) with no significant difference between the two primer sets, which indicated the usefulness of cross-species amplification of different primers. CONCLUSION The current study developed a whole-genome SSR panel for ducks for the first time, and the results could prove that using chromosome-wise mining did not generate different results compared to the whole-genome approach.
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Affiliation(s)
- Hosam Safaa
- Department of Biology, College of Science, University of Bisha, P.O. Box 551, 61922, Bisha, Saudi Arabia.
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
| | - Rawan Khaled
- Biotechnology Program, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
| | - Suzy Isaac
- Biotechnology Program, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
| | - Rofida Mostafa
- Biotechnology Program, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
| | - Mohamed Ragab
- Poultry Production Department, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, Egypt
- Animal Breeding and Genetics Department, National Institute for Agricultural and Food Research and Technology (INIA), 28040, Madrid, Spain
| | - Dalia A A Elsayed
- Department of Poultry Breeding, Agriculture Research Center, Animal Production Research Institute, Dokki, Giza, Egypt
| | - Mostafa Helal
- Department of Animal Production, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt.
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20
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Panzera F, Cuadrado Á, Mora P, Palomeque T, Lorite P, Pita S. Differential Spreading of Microsatellites in Holocentric Chromosomes of Chagas Disease Vectors: Genomic and Evolutionary Implications. INSECTS 2023; 14:772. [PMID: 37754740 PMCID: PMC10531928 DOI: 10.3390/insects14090772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/28/2023]
Abstract
This study focused on analyzing the distribution of microsatellites in holocentric chromosomes of the Triatominae subfamily, insect vectors of Chagas disease. We employed a non-denaturing FISH technique to determine the chromosomal distribution of sixteen microsatellites across twenty-five triatomine species, involving five genera from the two principal tribes: Triatomini and Rhodniini. Three main hybridization patterns were identified: strong signals in specific chromosomal regions, dispersed signals dependent on microsatellite abundance and the absence of signals in certain chromosomal regions or entire chromosomes. Significant variations in hybridization patterns were observed between Rhodniini and Triatomini species. Rhodniini species displayed weak and scattered hybridization signals, indicating a low abundance of microsatellites in their genomes. In contrast, Triatomini species exhibited diverse and abundant hybridization patterns, suggesting that microsatellites are a significant repetitive component in their genomes. One particularly interesting finding was the high abundance of GATA repeats, and to a lesser extent AG repeats, in the Y chromosome of all analyzed Triatomini species. In contrast, the Y chromosome of Rhodniini species did not show enrichment in GATA and AG repeats. This suggests that the richness of GATA repeats on the Y chromosome likely represents an ancestral trait specific to the Triatomini tribe. Furthermore, this information can be used to elucidate the evolutionary relationships between Triatomini and other groups of reduviids, contributing to the understanding of the subfamily's origin. Overall, this study provides a comprehensive understanding of the composition and distribution of microsatellites within Triatominae genomes, shedding light on their significance in the evolutionary processes of these species.
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Affiliation(s)
- Francisco Panzera
- Evolutionary Genetic Section, Faculty of Science, University of the Republic, Iguá 4225, Montevideo 11400, Uruguay;
| | - Ángeles Cuadrado
- Department of Biomedicine and Biotechnology, University of Alcalá (UAH), Alcalá de Henares, 28805 Madrid, Spain;
| | - Pablo Mora
- Department of Experimental Biology, Genetics, University of Jaén, 23071 Jaén, Spain; (P.M.); (T.P.)
| | - Teresa Palomeque
- Department of Experimental Biology, Genetics, University of Jaén, 23071 Jaén, Spain; (P.M.); (T.P.)
| | - Pedro Lorite
- Department of Experimental Biology, Genetics, University of Jaén, 23071 Jaén, Spain; (P.M.); (T.P.)
| | - Sebastián Pita
- Evolutionary Genetic Section, Faculty of Science, University of the Republic, Iguá 4225, Montevideo 11400, Uruguay;
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Wu S, Li R, Jiang Y, Yu J, Zheng J, Li Z, Li M, Xin K, Wang Y, Xu Z, Li S, Chen X. Liquid biopsy in urothelial carcinoma: Detection techniques and clinical applications. Biomed Pharmacother 2023; 165:115027. [PMID: 37354812 DOI: 10.1016/j.biopha.2023.115027] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/13/2023] [Accepted: 06/14/2023] [Indexed: 06/26/2023] Open
Abstract
The types of urothelial carcinoma (UC) include urothelial bladder cancer and upper tract urothelial carcinoma. Current diagnostic techniques cannot meet the needs of patients. Liquid biopsy is an accurate method of determining the molecular profile of UC and is a cutting-edge and popular technique that is expected to complement existing detection techniques and benefit patients with UC. Circulating tumor cells, cell-free DNA, cell-free RNA, extracellular vesicles, proteins, and metabolites can be found in the blood, urine, or other bodily fluids and are examined during liquid biopsies. This article focuses on the components of liquid biopsies and their clinical applications in UC. Liquid biopsies have tremendous potential in multiple aspects of precision oncology, from early diagnosis and treatment monitoring to predicting prognoses. They may therefore play an important role in the management of UC and precision medicine.
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Affiliation(s)
- Siyu Wu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Rong Li
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Yuanhong Jiang
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Jiazheng Yu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Jianyi Zheng
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Zeyu Li
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Mingyang Li
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Kerong Xin
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China
| | - Yang Wang
- Department of Gynecology, Cancer Hospital of China Medical University, Liaoning Cancer Hospital & Institute, Shenyang, Liaoning 110042, China.
| | - Zhenqun Xu
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China.
| | - Shijie Li
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China.
| | - Xiaonan Chen
- Department of Urology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, China.
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Savadi S, Muralidhara BM, Venkataravanappa V, Adiga JD. Genome-wide survey and characterization of microsatellites in cashew and design of a web-based microsatellite database: CMDB. FRONTIERS IN PLANT SCIENCE 2023; 14:1242025. [PMID: 37670858 PMCID: PMC10475544 DOI: 10.3389/fpls.2023.1242025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 07/31/2023] [Indexed: 09/07/2023]
Abstract
The cashew is an edible tree nut crop having a wide range of food and industrial applications. Despite great economic importance, the genome-wide characterization of microsatellites [simple sequence repeats (SSRs)] in cashew is lacking. In this study, we carried out the first comprehensive genome-wide microsatellites/SSRs characterization in cashew and developed polymorphic markers and a web-based microsatellite database. A total of 54526 SSRs were discovered in the cashew genome, with a mean frequency of 153 SSRs/Mb. Among the mined genome-wide SSRs (2-6 bp size motifs), the dinucleotide repeat motifs were dominant (68.98%) followed by the trinucleotides (24.56%). The Class I type of SSRs (≥20 bp) were 45.10%, while Class II repeat motifs (≥12-<20 bp) were 54.89% of the total genomic SSRs discovered here. Further, the AT-rich SSRs occurred more frequently in the cashew genome (84%) compared to the GC-rich SSRs. The validation of the in silico-mined genome-wide SSRs by PCR screening in cashew genotypes resulted in the development of 59 polymorphic SSR markers, and the polymorphism information content (PIC) of the polymorphic SSR markers ranged from 0.19 to 0.84. Further, a web-based database, "Cashew Microsatellite Database (CMDB)," was constructed to provide access to the genome-wide SSRs mined in this study as well as transcriptome-based SSRs from our previous study to the research community through a user-friendly searchable interface. Besides, CMDB provides information on experimentally validated SSRs. CMDB permits the retrieval of SSR markers information with the customized search options. Altogether, the genome-wide SSRs characterization, the polymorphic markers and CMDB database developed in this study would serve as valuable marker resources for DNA fingerprinting, germplasm characterization, genetic studies, and molecular breeding in cashew and related Anacardium species.
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Affiliation(s)
- Siddanna Savadi
- ICAR- Directorate of Cashew Research (DCR), Puttur, Karnataka, India
| | - B. M. Muralidhara
- ICAR-Indian Institute of Horticultural Research (IIHR), CHES, Madikeri, Karnataka, India
| | - V. Venkataravanappa
- ICAR-Indian Institute of Horticultural Research (IIHR), CHES, Madikeri, Karnataka, India
| | - J. D. Adiga
- ICAR- Directorate of Cashew Research (DCR), Puttur, Karnataka, India
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Li B, Muhammad N, Zhang S, Lan Y, Yang Y, Han S, Liu M, Yang M. Multiple-Genome-Based Simple Sequence Repeat Is an Efficient and Successful Method in Genotyping and Classifying Different Jujube Germplasm Resources. PLANTS (BASEL, SWITZERLAND) 2023; 12:2885. [PMID: 37571038 PMCID: PMC10421302 DOI: 10.3390/plants12152885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/23/2023] [Accepted: 08/03/2023] [Indexed: 08/13/2023]
Abstract
Jujube (Ziziphus jujuba Mill.) is a commercially important tree native to China, known for its high nutritional value and widespread distribution, as well as its diverse germplasm resources. Being resilient to harsh climatic conditions, the cultivation of jujube could provide a solution to food insecurity and income for people of arid and semi-arid regions in and outside of China. The evaluation of germplasm resources and genetic diversity in jujube necessitates the use of Simple Sequence Repeat (SSR) markers. SSR markers are highly polymorphic and can be used to evaluate the genetic diversity within and between cultivars of Chinese jujube, and are important for conservation biology, breeding programs, and the discovery of important traits for Chinese jujube improvement in China and abroad. However, traditional methods of SSR development are time-consuming and inadequate to meet the growing research demands. To address this issue, we developed a novel approach called Multiple-Genome-Based SSR identification (MGB-SSR), which utilizes the genomes of three jujube cultivars to rapidly screen for polymorphic SSRs in the jujube genome. Through the screening process, we identified 12 pairs of SSR primers, which were then used to successfully classify 249 jujube genotypes. Based on the genotyping results, a digital ID card was established, enabling the complete identification of all 249 jujube plants. The MGB-SSR approach proved efficient in rapidly detecting polymorphic SSRs within the jujube genome. Notably, this study represents the first successful differentiation of jujube germplasm resources using 12 SSR markers, with 4 markers successfully identifying triploid jujube genotypes. These findings offer valuable information for the classification of Chinese jujube germplasm, thereby providing significant assistance to jujube researchers and breeders in identifying unknown jujube germplasm.
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Affiliation(s)
- Bin Li
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Noor Muhammad
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Shufeng Zhang
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Yunxin Lan
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Yihan Yang
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Shoukun Han
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
| | - Mengjun Liu
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
- Research Center of Chinese Jujube, Hebei Agricultural University, Baoding 071000, China
| | - Meng Yang
- College of Horticulture, Hebei Agricultural University, Baoding 071000, China; (B.L.)
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Chaudhary S, Singh RK, Kumar P. Genome-wide identification, characterization and primer designing of simple sequence repeats across Leguminosae family. 3 Biotech 2023; 13:286. [PMID: 37520343 PMCID: PMC10382446 DOI: 10.1007/s13205-023-03706-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/16/2023] [Indexed: 08/01/2023] Open
Abstract
Legumes are important clade of commercially important family Leguminosae that mainly include medicinal, flowering and edible plants. Although the genomic sequence of legumes is accessible, only the limited number of effective simple sequence repeat markers has been identified by prior research. Additional polymorphic simple sequence repeats marker discovery will aid in the genetics and breeding of legumes. In this study, 13 complete genome sequences were screened for the identification of chromosome-wise simple sequence repeats (SSRs) and 1,866,861 SSRs were identified. Based on the study, it was observed that the number of SSRs in non-coding region was more as compared to coding region and frequency of mononucleotides was highest followed by di-nucleotides while penta- and hexa-nucleotide repeats were least frequent one. The identified genome-wide SSRs and newly developed SSR markers, primers and their mapping will provide a powerful means for genetic researches across Leguminosae plants, including genetic diversity and evolutionary origin analysis, fingerprinting, QTL mapping and marker-assisted selection for breeding as well as comparative genomic analysis studies.
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Affiliation(s)
- Sakshi Chaudhary
- Dr. A. P. J. Abdul Kalam Technical University, Lucknow, India
- International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067 India
| | - Ravi Kant Singh
- Amity Institute of Biotechnology, Amity University, Noida, UP 201313 India
| | - Pradeep Kumar
- Department of Botany, University of Lucknow, Lucknow, UP 226007 India
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Yerzhebayeva R, Didorenko S, Amangeldiyeva A, Daniyarova A, Mazkirat S, Zinchenko A, Shavrukov Y. Marker-Assisted Selection for Early Maturing E Loci in Soybean Yielded Prospective Breeding Lines for High Latitudes of Northern Kazakhstan. Biomolecules 2023; 13:1146. [PMID: 37509181 PMCID: PMC10377072 DOI: 10.3390/biom13071146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/16/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
The photoperiodic sensitivity of soybean (Glycine max L.) is one of the limiting factors affecting plant growth and yield. At higher latitudes, early flowering and maturity with neutral reaction to photoperiods are required for adaptation of soybean plants to long-day conditions. Currently, the production and distribution of new varieties of soybeans adapted to widespread agricultural regions in northern Kazakhstan is in strong demand. Eleven soybean hybrid populations were obtained from crosses between 17 parents with four maturity groups, MG 000, 00, 0, and I. Marker-assisted selection (MAS) was assessed for suitable SSR markers and successfully applied for genes E1, E3, E4, and E7, targeting homozygous genotypes with recessive alleles. The identified and selected genotypes were propagated and tested in the conditions of 53° N latitude in the Kostanay region of northern Kazakhstan. Finally, 20 early maturing F4 breeding lines were identified and developed with genotypes e1 e3 E4 e7, e1 E3 E4 e7, and e1 E3 e4 e7, all completing their growth period within 92-102 days. These breeding lines were developed by MAS and should provide very prospective superior varieties of soybean for northern Kazakhstan through a strategy that may be very helpful to other countries with high latitudes.
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Affiliation(s)
- Raushan Yerzhebayeva
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty District, Almalybak 040909, Kazakhstan
| | - Svetlana Didorenko
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty District, Almalybak 040909, Kazakhstan
| | - Aigul Amangeldiyeva
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty District, Almalybak 040909, Kazakhstan
| | - Aliya Daniyarova
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty District, Almalybak 040909, Kazakhstan
| | - Shynar Mazkirat
- Kazakh Research Institute of Agriculture and Plant Growing, Almaty District, Almalybak 040909, Kazakhstan
| | - Alyona Zinchenko
- Breeding Station 'Zarechnoe', Kostanay District, Zarechnoe 111108, Kazakhstan
| | - Yuri Shavrukov
- College of Science and Engineering, Biological Sciences, Flinders University, Adelaide, SA 5042, Australia
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Sahu A, Singh R, Verma PK. Plant BBR/BPC transcription factors: unlocking multilayered regulation in development, stress and immunity. PLANTA 2023; 258:31. [PMID: 37368167 DOI: 10.1007/s00425-023-04188-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 06/17/2023] [Indexed: 06/28/2023]
Abstract
MAIN CONCLUSION This review provides a detailed structural and functional understanding of BBR/BPC TF, their conservation across the plant lineage, and their comparative study with animal GAFs. Plant-specific Barley B Recombinant/Basic PentaCysteine (BBR/BPC) transcription factor (TF) family binds to "GA" repeats similar to animal GAGA Factors (GAFs). These GAGA binding proteins are among the few TFs that regulate the genes at multiple steps by modulating the chromatin structure. The hallmark of the BBR/BPC TF family is the presence of a conserved C-terminal region with five cysteine residues. In this review, we present: first, the structural distinct yet functional similar relation of plant BBR/BPC TF with animal GAFs, second, the conservation of BBR/BPC across the plant lineage, third, their role in planta, fourth, their potential interacting partners and structural insights. We conclude that BBR/BPC TFs have multifaceted roles in plants. Besides the earliest identified function in homeotic gene regulation and developmental processes, presently BBR/BPC TFs were identified in hormone signaling, stress, circadian oscillation, and sex determination processes. Understanding how plants' development and stress processes are coordinated is central to divulging the growth-immunity trade-off regulation. The BBR/BPC TFs may hold keys to divulge the interactions between development and immunity. Moreover, the conservation of BBR/BPC across plant lineage makes it an evolutionary vital gene family. Consequently, BBR/BPCs are prospective to attract the increasing attention of the scientific communities as they are probably at the crossroads of diverse fundamental processes.
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Affiliation(s)
- Anubhav Sahu
- Plant Immunity Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Ritu Singh
- Plant Immunity Laboratory, National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Praveen Kumar Verma
- Plant Immunity Laboratory, School of Life Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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Nasrin T, Hoque M, Ali S. Systems biology of the genomes' microsatellite signature of Orthopoxvirus including the Monkeypox virus. Comp Immunol Microbiol Infect Dis 2023; 98:102002. [PMID: 37329681 DOI: 10.1016/j.cimid.2023.102002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/07/2023] [Accepted: 05/30/2023] [Indexed: 06/19/2023]
Abstract
This study is an attempt to extract and analyse the microsatellites or simple sequence repeats (SSRs) from the genomes of eight species of the genus Orthopoxvirus. The average size of genomes included in the study was 205 kb while the GC% was 33% for all but one. A total of 10,584 SSRs and 854 cSSRs were observed. POX2 with the largest genome of 224.499 kb had maximum of 1493 SSRs and 121 cSSRs (compound SSR) while POX7 with the smallest genome of 185.578 kb had minimum incident SSRs and cSSRs at 1181 and 96, respectively. There was significant correlation between genome size and SSR incidence. Di-nucleotide repeats were the most prevalent (57.47%) followed by mono- at 33% and tri- at 8.6%. Mono-nucleotide SSRs were predominantly T (51%) and A (48.4%). A majority of 80.32% SSRs were in the coding region. The three most similar genomes as per heat map POX1, POX7 and POX5 (93% similarity) are adjacent to one another in the phylogenetic tree. Ankyrin/Ankyrin like protein and Kelch protein which are associated with host determination and divergence have the highest SSR density in almost all studied viruses. Thus, SSRs are involved in genome evolution and host determination of viruses.
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Affiliation(s)
- Taslima Nasrin
- Clinical and Applied Genomics (CAG) Laboratory Department of Biological Sciences, Aliah University, Kolkata, India
| | - Mehboob Hoque
- Applied Biochemistry Laboratory, Department of Biological Sciences, Aliah University, Kolkata, India
| | - Safdar Ali
- Clinical and Applied Genomics (CAG) Laboratory Department of Biological Sciences, Aliah University, Kolkata, India.
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Kovincic A, Markovic K, Ristic D, Babic V, Petrovic T, Zivanovic T, Kravic N. Efficiency of Biological Typing Methods in Maize Hybrid Genetic Purity Estimation. Genes (Basel) 2023; 14:1195. [PMID: 37372375 DOI: 10.3390/genes14061195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/22/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
A high level of genetic purity in crop varieties must be achieved and maintained for agronomic performance, encouraging investment and innovation in plant breeding and ensuring that the improvements in productivity and quality imparted by breeders are delivered to the consumer. Since the success of hybrid seed production is dependent upon the genetic purity of the parental lines, in this study, the experimental F1exp maize hybrid and its parental inbreeds were used as a model system to examine the discriminative power of morphological, biochemical and SSR markers for seed purity assay. The highest number of off-type plants was estimated by morphological markers. According to the comparison of prolamins and albumins banding patterns of parental and derived F1exp seeds, genetic impurities could not be detected. Molecular analysis detected two types of genetic profile irregularity. Beside its use for verifying varieties of maize, report on umc1545 primer pair ability to detect non-specific bands (i.e., off-types), in both the maternal component and F1exp, which is the first report on this issue yet, strongly supports the recommendation of this SSR marker use for more accurate and time-efficient maize hybrids and parental lines genetic pyrity testing.
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Affiliation(s)
- Anika Kovincic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
| | - Ksenija Markovic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
| | - Danijela Ristic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
| | - Vojka Babic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
| | - Tanja Petrovic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
| | - Tomislav Zivanovic
- Faculty of Agriculture, University of Belgrade, Nemanjina 6, 11080 Belgrade, Serbia
| | - Natalija Kravic
- Maize Research Institute Zemun Polje, Slobodana Bajica 1, 11185 Belgrade, Serbia
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Xiao XO, Zhang N, Jin H, Si H. Genetic Analysis of Potato Breeding Collection Using Single-Nucleotide Polymorphism (SNP) Markers. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091895. [PMID: 37176953 PMCID: PMC10181131 DOI: 10.3390/plants12091895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
The autotetraploid potato (Solanum tuberosum L.) is an important crop in China, and it is widely cultivated from Northeast China to South China. Thousands of varieties are bred by breeding institutions or companies, and distinguishing the different varieties based on morphological characteristics is difficult. Using DNA fingerprints is an efficient method to identify varieties that plays an increasingly important role in germplasm identification and property rights protection. In this study, the genetic diversity and population structure of 135 autotetraploid potatoes were evaluated using specific-locus amplified fragment sequencing (SLAF-seq) methods. A total of 3,397,137 high-quality single-nucleotide polymorphisms (SNPs), which were distributed across 12 chromosomes, were obtained. Principal component analysis (PCA), neighbour-joining genetic trees, and model-based structure analysis showed that these autotetraploid potato subpopulations, classified by their SNPs, were not consistent with their geographical origins. On the basis of the obtained 3,397,137 SNPs, 160 perfect SNPs were selected, and 71 SNPs were successfully converted to penta-primer amplification refractory mutation (PARMS-SNP) markers. Additionally, 190 autotetraploid potato varieties were analysed using these 71 PARMS-SNP markers. The PCA results show that the accessions were not completely classified on the basis of their geographical origins. The SNP DNA fingerprints of the 190 autotetraploid potato varieties were also constructed. The SNP fingerprint results show that both synonyms and homonyms were present amongst the 190 autotetraploid potatoes. Above all, these novel SNP markers can lay a good foundation for the analysis of potato genetic diversity, DUS (distinctness, uniformity, and stability) testing, and plant variety protection.
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Affiliation(s)
- Xi-Ou Xiao
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China
- State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou 730070, China
- South Subtropical Crop Research Institution, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
| | - Ning Zhang
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China
- State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou 730070, China
- College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Hui Jin
- South Subtropical Crop Research Institution, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang 524091, China
| | - Huaijun Si
- College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China
- State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou 730070, China
- College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
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30
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Anilkumar C, Muhammed Azharudheen TP, Sah RP, Sunitha NC, Devanna BN, Marndi BC, Patra BC. Gene based markers improve precision of genome-wide association studies and accuracy of genomic predictions in rice breeding. Heredity (Edinb) 2023; 130:335-345. [PMID: 36792661 PMCID: PMC10163052 DOI: 10.1038/s41437-023-00599-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/02/2023] [Accepted: 02/03/2023] [Indexed: 02/17/2023] Open
Abstract
It is hypothesized that the genome-wide genic markers may increase the prediction accuracy of genomic selection for quantitative traits. To test this hypothesis, a set of candidate gene-based markers for yield and grain traits-related genes cloned across the rice genome were custom-designed. A multi-model, multi-locus genome-wide association study (GWAS) was performed using new genic markers developed to test their effectiveness for gene discovery. Two multi-locus models, FarmCPU and mrMLM, along with a single-locus mixed linear model (MLM), identified 28 significant marker-trait associations. These associations revealed novel causative alleles for grain weight and pleiotropic associations with other traits. For instance, the marker YD91 derived from the gene OsAAP3 on chromosome 1 was consistently associated with grain weight, while the gene has a significant effect on grain yield. Furthermore, nine genomic selection methods, including regression-based and machine learning-based models, were used to predict grain weight using a leave-one-out five-fold cross-validation approach to optimize the genomic selection model with genic markers. Among nine prediction models, Kernel Hilbert Space Regression (RKHS) is the best among regression-based models, and Random Forest Regression (RFR) is the best among machine learning-based models. Genomic prediction accuracies with and without GWAS significant markers were compared to assess the effectiveness of markers. The rapid decreases in prediction accuracy upon dropping GWAS significant markers indicate the effectiveness of new genic markers in genomic selection. Apart from that, the candidate gene-based markers were found to be more effective in genomic selection programs for better accuracy.
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Xu W, Wang J, Tian C, Shi W, Wang L. Genome-Wide Development of Polymorphic Microsatellite Markers and Genetic Diversity Analysis for the Halophyte Suaeda aralocaspica (Amaranthaceae). PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091865. [PMID: 37176923 PMCID: PMC10181123 DOI: 10.3390/plants12091865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/14/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023]
Abstract
Suaeda aralocaspica, which is an annual halophyte, grows in saline deserts in Central Asia with potential use in saline soil reclamation and salt tolerance breeding. Studying its genetic diversity is critical for effective conservation and breeding programs. In this study, we aimed to develop a set of polymorphic microsatellite markers to analyze the genetic diversity of S. aralocaspica. We identified 177,805 SSRs from the S. aralocaspica genome, with an average length of 19.49 bp, which were present at a density of 393.37 SSR/Mb. Trinucleotide repeats dominated (75.74%) different types of motifs, and the main motif was CAA/TTG (44.25%). We successfully developed 38 SSR markers that exhibited substantial polymorphism, displaying an average of 6.18 alleles with accompanying average polymorphism information content (PIC) value of 0.516. The markers were used to evaluate the genetic diversity of 52 individuals collected from three populations of S. aralocaspica in Xinjiang, China. The results showed that the genetic diversity was moderate to high, with a mean expected heterozygosity (He) of 0.614, a mean Shannon's information index (I) of 1.23, and a mean genetic differentiation index (Fst) of 0.263. The SSR markers developed in this study provide a valuable resource for future genetic studies and breeding programs of S. aralocaspica, and even other species in Suaeda.
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Affiliation(s)
- Wei Xu
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiancheng Wang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Turpan Eremophytes Botanical Garden, Chinese Academy of Sciences, Turpan 838008, China
| | - Changyan Tian
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Shi
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Wang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Gan J, Li Y, Tang D, Guo B, Li D, Cao F, Sun C, Yu L, Yan Z. The Complete Chloroplast Genomes of Gynostemma Reveal the Phylogenetic Relationships of Species within the Genus. Genes (Basel) 2023; 14:genes14040929. [PMID: 37107687 PMCID: PMC10138119 DOI: 10.3390/genes14040929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 04/06/2023] [Accepted: 04/16/2023] [Indexed: 04/29/2023] Open
Abstract
Gynostemma is an important medicinal and food plant of the Cucurbitaceae family. The phylogenetic position of the genus Gynostemma in the Cucurbitaceae family has been determined by morphology and phylogenetics, but the evolutionary relationships within the genus Gynostemma remain to be explored. The chloroplast genomes of seven species of the genus Gynostemma were sequenced and annotated, of which the genomes of Gynostemma simplicifolium, Gynostemma guangxiense and Gynostemma laxum were sequenced and annotated for the first time. The chloroplast genomes ranged from 157,419 bp (Gynostemma compressum) to 157,840 bp (G. simplicifolium) in length, including 133 identical genes: 87 protein-coding genes, 37 tRNA genes, eight rRNA genes and one pseudogene. Phylogenetic analysis showed that the genus Gynostemma is divided into three primary taxonomic clusters, which differs from the traditional morphological classification of the genus Gynostemma into the subgenus Gynostemma and Trirostellum. The highly variable regions of atpH-atpL, rpl32-trnL, and ccsA-ndhD, the repeat unilts of AAG/CTT and ATC/ATG in simple sequence repeats (SSRs) and the length of overlapping regions between rps19 and inverted repeats(IRb) and between ycf1 and small single-copy (SSC) were found to be consistent with the phylogeny. Observations of fruit morphology of the genus Gynostemma revealed that transitional state species have independent morphological characteristics, such as oblate fruit and inferior ovaries. In conclusion, both molecular and morphological results showed consistency with those of phylogenetic analysis.
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Affiliation(s)
- Jiaxia Gan
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Ying Li
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Deying Tang
- Yunnan Branch of Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Jinghong 666100, China
| | - Baolin Guo
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Doudou Li
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Feng Cao
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Chao Sun
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Key Laboratory of Ministry of Education, Beijing 100193, China
| | - Liying Yu
- Guangxi Botanical Garden of Medicinal Plant, Guangxi TCM Resources General Survey and Data Collection Key Laboratory, Nanning 530023, China
| | - Zhuyun Yan
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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Kaur S, Sharma PC. Microsatellite diversity in four cultivated species of Actinidiaceae and Rutaceae. Bioinformation 2023; 19:230-234. [PMID: 37808387 PMCID: PMC10557435 DOI: 10.6026/97320630019230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/31/2023] [Accepted: 03/31/2023] [Indexed: 10/10/2023] Open
Abstract
Microsatellites or Simple Sequence Repeats (SSRs) are short iterations of 1-6 bp in the genomes of almost all living organisms. Our study aimed to explore the microsatellite diversity in four cultivated species, namely Actinidia chinensis, Actinidia eriantha, Citrus maxima, and Citrus sinensis of the Actinidiaceae and Rutaceae families. We present a comprehensive analysis of microsatellite abundance, distribution, and motif composition in the genomes of these species. The association of microsatellite abundance with genomic features such as genome size, GC content, number of microsatellites, relative abundance, and relative density was also examined. The results revealed significant variations in the frequency and distribution of microsatellites across the genomes of these four species. Notably, a positive correlation was observed between genome size and microsatellite number as well as with GC content, indicating that larger genomes provide more opportunities for the accumulation of microsatellites. Furthermore, a negative correlation of genome size with relative microsatellite abundance and relative density was observed. These findings provide new insights into the microsatellite landscape of Actinidiaceae and Rutaceae, which could be explored for the development of microsatellite markers for diverse applications in the characterization of genetic diversity, molecular plant breeding, and phylogenetic analysis.
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Affiliation(s)
- Simerpreet Kaur
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
| | - Prakash Chand Sharma
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, New Delhi, India
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Jeseničnik T, Kaurin A, Grgič Z, Radišek S, Jakše J, Štajner N. Novel Identification of the Collection of Pathogenic Fungal Species Verticillium with the Development of Species-Specific SSR Markers. Pathogens 2023; 12:pathogens12040535. [PMID: 37111421 PMCID: PMC10143602 DOI: 10.3390/pathogens12040535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/29/2023] Open
Abstract
The genus Verticillium is a group of ascomycete fungi that includes several pathogenic plant species. In 2011, a new taxonomic classification, proposed by Inderbitzin and coworkers (2011), re-defined the genus as Verticillium sensu stricto. The objective of our study was the re-classification of the fungal species held in the culture collection in the Slovenian Institute of Hop Research and Brewing in accordance with the newly established taxonomy. With the PCR marker system proposed by Inderbitzin and coworkers in 2011, we re-classified 88 Verticillium isolates out of the 105 samples that are held in the institute's bank, which were obtained from different geographic locations in Europe, North America, and Japan, and from different host plants, including alfalfa, cotton, hop, olive, potato, and tomato. However, the PCR marker for the V. dahliae identification proved to be less specific, and it resulted in the positive amplification of Gibellulopsis nigrescens, V. isaacii, and V. longisporum. To enable the accurate distinction of the fungi, the SSR and LAMP markers were added to the analyses. The 12 newly identified SSR markers, which were used in simplex PCR reactions or in combination, enabled the accurate identification of all included Verticillium isolates and could potentially be used as biomarkers for rapid and easy species identification.
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Affiliation(s)
- Taja Jeseničnik
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Anela Kaurin
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Zarja Grgič
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Sebastjan Radišek
- Plant Protection Department, Slovenian Institute of Hop Research and Brewing, 3310 Žalec, Slovenia
| | - Jernej Jakše
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Nataša Štajner
- Department of Agronomy, Biotechnical Faculty, University of Ljubljana, 1000 Ljubljana, Slovenia
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Zhao M, Shu G, Hu Y, Cao G, Wang Y. Pattern and variation in simple sequence repeat (SSR) at different genomic regions and its implications to maize evolution and breeding. BMC Genomics 2023; 24:136. [PMID: 36944913 PMCID: PMC10029318 DOI: 10.1186/s12864-023-09156-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 01/30/2023] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND Repetitive DNA sequences accounts for over 80% of maize genome. Although simple sequence repeats (SSRs) account for only 0.03% of the genome, they have been widely used in maize genetic research and breeding as highly informative codominant DNA markers. The genome-wide distribution and polymorphism of SSRs are not well studied due to the lack of high-quality genome DNA sequence data. RESULTS In this study, using data from high-quality de novo-sequenced maize genomes of five representative maize inbred lines, we revealed that SSRs were more densely present in telomeric region than centromeric region, and were more abundant in genic sequences than intergenic sequences. On genic sequences, tri- and hexanucleotide motifs were more abundant in CDS sequence and some mono- and dinucleotide motifs were more abundant in UTR sequences. Median length and chromosomal density of SSRs were both narrowly range-bound, with median length of 14-18 bp and genome-wide average density of 3355.77 bp/Mbp. LTR-RTs of < 0.4 Mya had higher SSR density (4498-4992 bp/Mbp). The genome-specific and motif-specific SSR polymorphism were studied. Their potential breeding applications were discussed. CONCLUSIONS We found that the median length of SSR sequences of different SSR motifs was nearly constant. SSR density in genic regions was much higher than intergenic regions. In addition, SSR density at LTR-RTs of different evolutionary ages varied in a narrow range. The SSRs and their LTR-RT carriers evolved at an equal rate. All these observations indicated that SSR length and density were under control of yet unknown evolutionary forces. The chromosome region-specific and motif-specific SSR polymorphisms we observed supported the notion that SSR polymorphism was invaluable genome resource for developing highly informative genome and gene markers in maize genetic research and molecular breeding.
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Affiliation(s)
- Meiqi Zhao
- Zhengzhou University Graduate Student Training Base at Beijing Lantron Seed, Zhengzhou, 450001, China
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Guoping Shu
- Zhengzhou University Graduate Student Training Base at Beijing Lantron Seed, Zhengzhou, 450001, China
- Center of Biotechnology, Beijing Lantron Seed, Zhengzhou, 450001, China
| | - Yanhong Hu
- Zhengzhou University Graduate Student Training Base at Beijing Lantron Seed, Zhengzhou, 450001, China
- Center of Biotechnology, Beijing Lantron Seed, Zhengzhou, 450001, China
| | - Gangqiang Cao
- Zhengzhou University Graduate Student Training Base at Beijing Lantron Seed, Zhengzhou, 450001, China.
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001, China.
| | - Yibo Wang
- Zhengzhou University Graduate Student Training Base at Beijing Lantron Seed, Zhengzhou, 450001, China.
- Center of Biotechnology, Beijing Lantron Seed, Zhengzhou, 450001, China.
- Henan LongPing-Lantron AgriScience & Technology Co., LTD, Zhengzhou, 450001, China.
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Losada LCDML, Monteiro RC, de Carvalho JA, Hagen F, Fisher MC, Spruijtenburg B, Meis JF, de Groot T, Gonçalves SS, Negroni R, Kano R, Bonifaz A, de Camargo ZP, Rodrigues AM. High-Throughput Microsatellite Markers Development for Genetic Characterization of Emerging Sporothrix Species. J Fungi (Basel) 2023; 9:354. [PMID: 36983522 PMCID: PMC10054832 DOI: 10.3390/jof9030354] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/07/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
Sporotrichosis is the main subcutaneous mycosis worldwide transmitted by animal or plant vectors and often escalates to outbreaks or epidemics. The current cat-transmitted sporotrichosis driven by Sporothrix brasiliensis has become a significant public health issue in South America. Transmission dynamics remain enigmatic due to the lack of development of polymorphic markers for molecular epidemiological analysis. This study used a high-throughput mining strategy to characterize simple sequence repeat (SSR) markers from Sporothrix genomes. A total of 118,140-143,912 SSR loci were identified (82,841-98,369 unique markers), with a 3651.55-3804.65 SSR/Mb density and a majority of dinucleotides motifs (GC/CG). We developed a panel of 15 highly polymorphic SSR markers suitable for genotyping S. brasiliensis, S. schenckii, and S. globosa. PCR amplification revealed 240 alleles in 180 Sporothrix isolates with excellent polymorphic information content (PIC = 0.9101), expected heterozygosity (H = 0.9159), and discriminating power (D = 0.7127), supporting the effectiveness of SSR markers in uncovering cryptic genetic diversity. A systematic population genetic study estimated three clusters, corresponding to S. brasiliensis (population 1, n = 97), S. schenckii (population 2, n = 49), and S. globosa (population 3, n = 34), with a weak signature of mixed ancestry between populations 1 and 2 or 3 and 2. Partitioning of genetic variation via AMOVA revealed highly structured populations (ΦPT = 0.539; Nm = 0.213; p < 0.0001), with approximately equivalent genetic variability within (46%) and between (54%) populations. Analysis of SSR diversity supports Rio de Janeiro (RJ) as the center of origin for contemporary S. brasiliensis infections. The recent emergence of cat-transmitted sporotrichosis in northeastern Brazil indicates an RJ-Northeast migration resulting in founder effects during the introduction of diseased animals into sporotrichosis-free areas. Our results demonstrated high cross-species transferability, reproducibility, and informativeness of SSR genetic markers, helping dissect deep and fine-scale genetic structures and guiding decision making to mitigate the harmful effects of the expansion of cat-transmitted sporotrichosis.
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Affiliation(s)
- Luiza Chaves de Miranda Leonhardt Losada
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
| | - Ruan Campos Monteiro
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
| | - Jamile Ambrósio de Carvalho
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
| | - Ferry Hagen
- Department of Medical Mycology, Westerdijk Fungal Biodiversity Institute, Uppsalalaan 8, 3584 CT Utrecht, The Netherlands
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Sciencepark 904, 1098 XH Amsterdam, The Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Matthew C. Fisher
- Medical Research Council Center for Global Infectious Disease Analysis, Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London W2 1PG, UK
| | - Bram Spruijtenburg
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
- Center of Expertise in Mycology Radboud University Medical Center/Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
| | - Jacques F. Meis
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
- Center of Expertise in Mycology Radboud University Medical Center/Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
- Department I of Internal Medicine, Faculty of Medicine, University of Cologne, and Excellence Center for Medical Mycology, University Hospital Cologne, 50931 Cologne, Germany
| | - Theun de Groot
- Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
- Center of Expertise in Mycology Radboud University Medical Center/Canisius-Wilhelmina Hospital, 6532 SZ Nijmegen, The Netherlands
| | - Sarah Santos Gonçalves
- Infectious Diseases Postgraduate Program, Center for Research in Medical Mycology, Federal University of Espírito Santo (UFES), Vitória 29043900, Brazil
| | - Ricardo Negroni
- Mycology Unit of the Infectious Diseases Hospital Francisco Javier Muñiz, Reference Center of Mycology of Buenos Aires City, Uspallata, Buenos Aires 2272, Argentina
| | - Rui Kano
- Teikyo University Institute of Medical Mycology (TIMM), 359 Otsuka, Tokyo 192-0395, Japan
| | - Alexandro Bonifaz
- Dermatology Service, Mycology Department, Hospital General de México, “Dr. Eduardo Liceaga”, Balmis 148, Colonia Doctores, Mexico City 03020, Mexico
| | - Zoilo Pires de Camargo
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
| | - Anderson Messias Rodrigues
- Laboratory of Emerging Fungal Pathogens, Department of Microbiology, Immunology, and Parasitology, Discipline of Cellular Biology, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
- Department of Medicine, Discipline of Infectious Diseases, Federal University of São Paulo (UNIFESP), São Paulo 04023062, Brazil
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Whole Genome Wide SSR Markers Identification Based on ddRADseq Data. Methods Mol Biol 2023; 2638:59-66. [PMID: 36781635 DOI: 10.1007/978-1-0716-3024-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The advent of advanced NGS technologies have led to the generation of enormous amount of sequence data which further aid in the discovery of the various type of markers such as SSRs, SNPs, InDels, etc. Among all these markers, microsatellite SSR markers can be mined from the ddRADseq data as certain properties of SSR markers make them ideal markers for study. These assist researchers and breeders in diversity analysis and producing new varieties with desired traits. To extract the markers, first, the ddRADseq data is assembled into consensus sequences using STACKS program which are further assembled for mining microsatellites using QDD along with MISA tool.
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Alekseeva M, Rusanova M, Rusanov K, Atanassov I. A Set of Highly Polymorphic Microsatellite Markers for Genetic Diversity Studies in the Genus Origanum. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12040824. [PMID: 36840172 PMCID: PMC9965030 DOI: 10.3390/plants12040824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 05/14/2023]
Abstract
This study reports the development of a set of 20 highly polymorphic genomic SSR markers which can be used for both cultivar identification and genetic diversity studies in several Origanum species, including some of the most popular ones like Greek oregano (Origanum vulgare L. ssp. hirtum), common oregano (O. vulgare L. ssp. vulgare), and sweet marjoram (O. majorana L.). Analysis of the polymorphic information content (PIC) showed an average PIC value of 0.75 with a minimum of 0.41 and a maximum of 0.89, where 17 of the markers showed PIC values above 0.73. Comparative analysis of the genetic diversity of eight natural populations of Greek oregano in Bulgaria showed that six of the genomic SSR markers revealed significantly higher portions of genetic diversity in the populations, compared to 12 EST SSR markers used in our previous study. We also compared the performance of the same six genomic SSR markers with the results for eight SRAP primer combinations, which showed that SRAP markers captured more precisely the genetic structure in natural populations. The developed highly polymorphic genomic SSR markers can be successfully applied to evaluation of the genetic diversity in the genus Origanum, based on the expected and observed heterozygosity in the populations as well as for easy identification of breeding lines and cultivars based on unique SSR fingerprints.
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Yarita S, Morgan-Richards M, Trewick SA. Genotypic detection of barriers to rat dispersal: Rattus rattus behind a peninsula predator-proof fence. Biol Invasions 2023; 25:1723-1738. [PMID: 36777104 PMCID: PMC9900205 DOI: 10.1007/s10530-023-03004-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 01/12/2023] [Indexed: 02/09/2023]
Abstract
Clear delimitation of management units is essential for effective management of invasive species. Analysis of population genetic structure of target species can improve identification and interpretation of natural and artificial barriers to dispersal. In Aotearoa New Zealand where the introduced ship rat (Rattus rattus) is a major threat to native biodiversity, effective suppression of pest numbers requires removal and limitation of reinvasion from outside the managed population. We contrasted population genetic structure in rat populations over a wide scale without known barriers, with structure over a fine scale with potential barriers to dispersal. MtDNA D-loop sequences and microsatellite genotypes resolved little genetic structure in southern North Island population samples of ship rat 100 km apart. In contrast, samples from major islands differed significantly for both mtDNA and nuclear markers. We also compared ship rats collected within a small peninsula reserve bounded by sea, suburbs and, more recently, a predator fence with rats in the surrounding forest. Here, mtDNA did not differ but genotypes from 14 nuclear loci were sufficient to distinguish the fenced population. This suggests that natural (sea) and artificial barriers (town, fence) are effectively limiting gene flow among ship rat populations over the short distance (~ 500 m) between the peninsula reserve and surrounding forest. The effectiveness of the fence alone is not clear given it is a recent feature and no historical samples exist; resampling population genetic diversity over time will improve understanding. Nonetheless, the current genetic isolation of the fenced rat population suggests that rat eradication is a sensible management option given that reinvasion appears to be limited and could probably be managed with a biosecurity programme. Supplementary Information The online version contains supplementary material available at 10.1007/s10530-023-03004-8.
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Affiliation(s)
- Shogo Yarita
- grid.148374.d0000 0001 0696 9806Wildlife and Ecology, School of Natural Sciences, Massey University, Private Bag 11-222, Palmerston North, New Zealand
| | - Mary Morgan-Richards
- grid.148374.d0000 0001 0696 9806Wildlife and Ecology, School of Natural Sciences, Massey University, Private Bag 11-222, Palmerston North, New Zealand
| | - Steven A. Trewick
- grid.148374.d0000 0001 0696 9806Wildlife and Ecology, School of Natural Sciences, Massey University, Private Bag 11-222, Palmerston North, New Zealand
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Sah RP, Nayak AK, Chandrappa A, Behera S, Azharudheen Tp M, Lavanya GR. cgSSR marker-based genome-wide association study identified genomic regions for panicle characters and yield in rice (Oryza sativa L.). JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:720-728. [PMID: 36054367 DOI: 10.1002/jsfa.12183] [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: 07/15/2021] [Revised: 08/03/2022] [Accepted: 08/21/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND To improve production efficiency, positive alleles corresponding to yield-related attributes must be accumulated in a single elite background. We designed and used cgSSR markers, which are superior to random SSR markers in genome-wide association study, to identify genomic regions that contribute to panicle characters and grain yield in this study. RESULTS As evidenced by the high polymorphic information content value and gene diversity coefficient, the new cgSSR markers were determined to be highly informative. These cgSSR markers were employed to generate genotype data for an association panel evaluated for four panicle characters and grain yield over three seasons. For five traits, 17 significant marker-trait associations on six chromosomes were discovered. The percentage of phenotypic variance that could be explained ranged from 4% to 13%. Unrelated gene-derived markers had a strong association with target traits as well. CONCLUSION Trait-associated cgSSR markers derived from corresponding or related genes ensure their utility in direct allele selection, while other linked markers aid in allele selection indirectly by altering the phenotype of interest. Through a marker-assisted breeding approach, these marker-trait associations can be leveraged to accumulate favourable alleles for yield enhancement in rice. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Rameswar Prasad Sah
- Crop Improvement Division, ICAR - National Rice Research Institute, Cuttack, India
| | - Amrit Kumar Nayak
- Department of Genetics and Plant breeding, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology and Sciences (SHUATS), Prayagraj, India
| | - Anilkumar Chandrappa
- Crop Improvement Division, ICAR - National Rice Research Institute, Cuttack, India
| | - Sasmita Behera
- Crop Improvement Division, ICAR - National Rice Research Institute, Cuttack, India
| | | | - G Roopa Lavanya
- Department of Genetics and Plant breeding, Naini Agricultural Institute, Sam Higginbottom University of Agriculture, Technology and Sciences (SHUATS), Prayagraj, India
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Ramesh P, Juturu VN, Yugandhar P, Pedersen S, Hemasundar A, Yolcu S, Chandra Obul Reddy P, Chandra Mohan Reddy CV, Veerabramha Chari P, Mohan R, Chandra Sekhar A. Molecular genetics and phenotypic assessment of foxtail millet ( Setaria italica (L.) P. Beauv.) landraces revealed remarkable variability of morpho-physiological, yield, and yield-related traits. Front Genet 2023; 14:1052575. [PMID: 36760993 PMCID: PMC9905688 DOI: 10.3389/fgene.2023.1052575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 01/09/2023] [Indexed: 01/26/2023] Open
Abstract
Foxtail millet (Setaria italica (L.) P. Beauv.) is highly valued for nutritional traits, stress tolerance and sustainability in resource-poor dryland agriculture. However, the low productivity of this crop in semi-arid regions of Southern India, is further threatened by climate stress. Landraces are valuable genetic resources, regionally adapted in form of novel alleles that are responsible for cope up the adverse conditions used by local farmers. In recent years, there is an erosion of genetic diversity. We have hypothesized that plant genetic resources collected from the semi-arid climatic zone would serve as a source of novel alleles for the development of climate resilience foxtail millet lines with enhanced yield. Keeping in view, there is an urgent need for conservation of genetic resources. To explore the genetic diversity, to identify superior genotypes and novel alleles, we collected a heterogeneous mixture of foxtail millet landraces from farmer fields. In an extensive multi-year study, we developed twenty genetically fixed foxtail millet landraces by single seed descent method. These landraces characterized along with four released cultivars with agro-morphological, physiological, yield and yield-related traits assessed genetic diversity and population structure. The landraces showed significant diversity in all the studied traits. We identified landraces S3G5, Red, Black and S1C1 that showed outstanding grain yield with earlier flowering, and maturity as compared to released cultivars. Diversity analysis using 67 simple sequence repeat microsatellite and other markers detected 127 alleles including 11 rare alleles, averaging 1.89 alleles per locus, expected heterozygosity of 0.26 and an average polymorphism information content of 0.23, collectively indicating a moderate genetic diversity in the landrace populations. Euclidean Ward's clustering, based on the molecular markers, principal coordinate analysis and structure analysis concordantly distinguished the genotypes into two to three sub-populations. A significant phenotypic and genotypic diversity observed in the landraces indicates a diverse gene pool that can be utilized for sustainable foxtail millet crop improvement.
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Affiliation(s)
- Palakurthi Ramesh
- Molecular Genetics and Functional Genomics Laboratory, Department of Biotechnology, School of Life Sciences, Yogi Vemana University, Kadapa, Andhra Pradesh, India
| | - Vijaya Naresh Juturu
- Molecular Genetics and Functional Genomics Laboratory, Department of Biotechnology, School of Life Sciences, Yogi Vemana University, Kadapa, Andhra Pradesh, India
| | - Poli Yugandhar
- Plant Molecular Biology Laboratory, Indian Institute of Rice Research, Hyderabad, Telangana, India
| | - Sydney Pedersen
- Department of Biology, Mercyhurst University, Erie, PA, United States
| | - Alavilli Hemasundar
- Department of Bioresources Engineering, Sejong University, Seoul, South Korea
| | - Seher Yolcu
- Department of Life Sciences, Sogang University, Seoul, South Korea
| | - Puli Chandra Obul Reddy
- Plant Molecular Biology Laboratory, Department of Botany, School of Life Sciences, Yogi Vemana University, Kadapa, Andhra Pradesh, India
| | | | - P. Veerabramha Chari
- Department of Biotechnology, Krishna University, Machilipatnam, Andhra Pradesh, India
| | - Rajinikanth Mohan
- Department of Biology, Mercyhurst University, Erie, PA, United States,*Correspondence: Akila Chandra Sekhar, , ; Rajinikanth Mohan,
| | - Akila Chandra Sekhar
- Molecular Genetics and Functional Genomics Laboratory, Department of Biotechnology, School of Life Sciences, Yogi Vemana University, Kadapa, Andhra Pradesh, India,*Correspondence: Akila Chandra Sekhar, , ; Rajinikanth Mohan,
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Tao F, Fan C, Liu Y, Sivakumar S, Kowalski KP, Golenberg EM. Optimization and application of non-native Phragmites australis transcriptome assemblies. PLoS One 2023; 18:e0280354. [PMID: 36689482 PMCID: PMC9870158 DOI: 10.1371/journal.pone.0280354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 12/27/2022] [Indexed: 01/24/2023] Open
Abstract
Phragmites australis (common reed) has a cosmopolitan distribution and has been suggested as a model organism for the study of invasive plant species. In North America, the non-native subspecies (ssp. australis) is widely distributed across the contiguous 48 states in the United States and large parts of Canada. Even though millions of dollars are spent annually on Phragmites management, insufficient knowledge of P. australis impeded the efficiency of management. To solve this problem, transcriptomic information generated from multiple types of tissue could be a valuable resource for future studies. Here, we constructed forty-nine P. australis transcriptomes assemblies via different assembly tools and multiple parameter settings. The optimal transcriptome assembly for functional annotation and downstream analyses was selected among these transcriptome assemblies by comprehensive assessments. For a total of 422,589 transcripts assembled in this transcriptome assembly, 319,046 transcripts (75.5%) have at least one functional annotation. Within the transcriptome assembly, we further identified 1,495 transcripts showing tissue-specific expression pattern, 10,828 putative transcription factors, and 72,165 candidates for simple sequence repeats markers. The identification and analyses of predicted transcripts related to herbicide- and salinity-resistant genes were shown as two applications of the transcriptomic information to facilitate further research on P. australis. Transcriptome assembly and selection would be important for the transcriptome annotation. With this optimal transcriptome assembly and all relative information from downstream analyses, we have helped to establish foundations for future studies on the mechanisms underlying the invasiveness of non-native P. australis subspecies.
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Affiliation(s)
- Feng Tao
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
| | - Chuanzhu Fan
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
| | - Yimin Liu
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
| | - Subashini Sivakumar
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
| | - Kurt P. Kowalski
- U.S. Geological Survey-Great Lakes Science Center, Ann Arbor, MI, United States of America
| | - Edward M. Golenberg
- Department of Biological Sciences, Wayne State University, Detroit, MI, United States of America
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Genome Survey Sequencing of the Mole Cricket Gryllotalpa orientalis. Genes (Basel) 2023; 14:genes14020255. [PMID: 36833184 PMCID: PMC9957284 DOI: 10.3390/genes14020255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/05/2023] [Accepted: 01/13/2023] [Indexed: 01/20/2023] Open
Abstract
The mole cricket Gryllotalpa orientalis is an evolutionarily, medicinal, and agriculturally significant insect that inhabits underground environments and is distributed globally. This study measured genome size by flow cytometry and k-mer based on low-coverage sequencing, and nuclear repetitive elements were also identified. The haploid genome size estimate is 3.14 Gb by flow cytometry, 3.17 Gb, and 3.77 Gb-based two k-mer methods, respectively, which is well within the range previously reported for other species of the suborder Ensifera. 56% of repetitive elements were found in G. orientalis, similar to 56.83% in Locusta migratoria. However, the great size of repetitive sequences could not be annotated to specific repeat element families. For the repetitive elements that were annotated, Class I-LINE retrotransposon elements were the most common families and more abundant than satellite and Class I-LTR. These results based on the newly developed genome survey could be used in the taxonomic study and whole genome sequencing to improve the understanding of the biology of G. orientalis.
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Draga S, Palumbo F, Miracolo Barbagiovanni I, Pati F, Barcaccia G. Management of genetic erosion: The (successful) case study of the pear ( Pyrus communis L.) germplasm of the Lazio region (Italy). FRONTIERS IN PLANT SCIENCE 2023; 13:1099420. [PMID: 36699862 PMCID: PMC9868429 DOI: 10.3389/fpls.2022.1099420] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Pyrus communis L. is an important temperate fruit with high nutritional and economic value. Italy, as the largest pear producer in the EU and second in the world, has a particularly rich germplasm characterized by hundreds of local varieties. The Lazio Region was the first Italian region to start programs focused on safeguarding varieties at risk of extinction and has started a massive census of fruit varieties by combining molecular data and productive-territorial information. In this study, 311 pear accessions collected from the five provinces of the Lazio region were genetically characterized by the means of nine simple sequence repeat (SSR) markers, eight of which were recommended by the European Cooperative Programme for Plant Genetic Resources (ECPGR). The SSR analysis revealed 250 unique genotypes and 14 cases of synonymies, namely, accessions with different names but identical molecular profiles (100% genetic similarity). The microsatellite set showed a high polymorphism information content (PIC; mean PIC=0.77) and an exceptionally high discrimination power (DP = 0.99), making it particularly efficient both for the study of genetic diversity and for the prediction of the degree of ploidy. Notably, 20% of the accessions displayed triallelic profiles (i.e., accessions having ≥2 loci with a third allele), while the remaining accessions were diploids. These results were further confirmed by flow cytometry data analysis. Standardization of the molecular analyses at the national and international levels and harmonization of the SSR sets used for germplasm characterization are of paramount importance for producing molecular profiles useful for registration and variety maintenance.
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Affiliation(s)
- Samela Draga
- Department of Agronomy, Food, Natural Resources, Animals and the Environment, University of Padova, Padua, Italy
| | - Fabio Palumbo
- Department of Agronomy, Food, Natural Resources, Animals and the Environment, University of Padova, Padua, Italy
| | | | - Francesco Pati
- ARSIAL, Agenzia Regionale per lo Sviluppo e l'Innovazione dell'Agricoltura del Lazio, Via Rodolfo Lanciani, Roma, Italy
| | - Gianni Barcaccia
- Department of Agronomy, Food, Natural Resources, Animals and the Environment, University of Padova, Padua, Italy
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Navale VD, Sawant AM, Vamkudoth KR. Genetic diversity of toxigenic Fusarium verticillioides associated with maize grains, India. Genet Mol Biol 2023; 46:e20220073. [PMID: 37036389 PMCID: PMC10084715 DOI: 10.1590/1678-4685-gmb-2022-0073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 11/22/2022] [Indexed: 04/11/2023] Open
Abstract
In the present investigation, prevalence, genetic diversity, and mycotoxin producing potential of Fusarium species associated with maize grain samples were studied from different geographical regions of India. The highest prevalence of Fusarium verticillioides was recorded as 88.52%, followed by F. coffeatum, F. foetens, and F. euwallaceae, 6.55%, 3.27%, and 1.63%, respectively. We isolated 54 strains of F. verticillioides, and their genetic diversity was studied by inter simple sequence repeats (ISSR). The ISSR fingerprints (AG) 8C and (AG) 8G showed 252 and 368 microsatellite sites in the genome of F. verticillioides and resulted in 99-100% repeatability and reproducibility. The Simpson (SID) and Shannon (H) indices (0.78 and 2.36) suggest that F. verticillioides strains exhibit moderate to high diversity. Molecular detection of fumonisin B1 (FB1) biosynthetic genes (FUM1 and FUM13) involved in FB1 production in F. verticillioides was confirmed by polymerase chain reaction (PCR). Furthermore, 91% of the strains were positive for FB1 production, which was affirmed by liquid chromatography with tandem mass spectrometry (LC-MS-MS). In-vitro appurtenance of F. verticillioides spores exhibited a high to moderate effect on the growth and development of the maize. The current finding demonstrated that most F. verticillioides strains showed a wide range of genetic diversity with varied toxigenic and pathogenic potentials. In conclusion, for the first time, F. coffeatum, F. foetens, and F. euwallaceae species were reported from maize grain samples in India. They were positive for FB1 and negatively affecting grain quality, which is a major concern in food safety.
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Affiliation(s)
- Vishwambar D Navale
- CSIR-National Chemical Laboratory, Biochemical Sciences Division, Pune, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Amol M Sawant
- CSIR-National Chemical Laboratory, Biochemical Sciences Division, Pune, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Koteswara Rao Vamkudoth
- CSIR-National Chemical Laboratory, Biochemical Sciences Division, Pune, Maharashtra, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Chaudhary V, Jangra S, Mishra A, Yadav NR. MicroRNA Identification, Target Prediction, and Validation for Crop Improvement. Methods Mol Biol 2023; 2630:13-24. [PMID: 36689173 DOI: 10.1007/978-1-0716-2982-6_2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Micro-RNAs (mi-RNAs) are regulatory elements that play a vital role in the growth, development, and metabolic regulation of plants. In current research, the isolation of miRNAs is a tedious and difficult task using in vitro methods. However, recent exploration into the remarkably highly conserved nature of nucleotide sequences of miRNAs assists in the identification of miRNAs in plant species through homologous approaches. Here, we describe the in silico-based method for identification of miRNAs from the EST database which is emerging as a faster and more reliable approach along with the development of miRNA-SSR markers. This approach has the potential to accelerate research into the regulation of gene expression in various plant species such as tea, potato, tomato, tobacco, and orphan crops like cluster bean.
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Affiliation(s)
- Vrantika Chaudhary
- Department of Molecular Biology, Biotechnology, and Bioinformatics, CCS Haryana Agricultural University, Hisar, India
| | - Sumit Jangra
- Department of Molecular Biology, Biotechnology, and Bioinformatics, CCS Haryana Agricultural University, Hisar, India
- Advanced Centre for Plant Virology, Division of Plant Pathology, ICAR- Indian Agricultural Research Institute, New Delhi, India
| | - Apurva Mishra
- Department of Molecular Biology and Genetics, Arsuaga-Vazquez Lab, University of California, Davis, CA, USA
| | - Neelam R Yadav
- Department of Molecular Biology, Biotechnology, and Bioinformatics, CCS Haryana Agricultural University, Hisar, India.
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Chen J, Cui H, Huang H, Wei S, Liu Y, Yu H, Ma Y, Li X, Ma X. EST-SSR Markers' Development Based on RNA-Sequencing and Their Application in Population Genetic Structure and Diversity Analysis of Eleusine indica in China. Curr Issues Mol Biol 2022; 45:141-150. [PMID: 36661497 PMCID: PMC9856800 DOI: 10.3390/cimb45010011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/08/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Goosegrass (Eleusine indica) is one of the worst agricultural weeds in China. Molecular markers were developed for genetic diversity and population structure analyses. In this study, we identified 8391 expressed sequence tag-simple sequence repeat (EST-SSR) markers from the de novo assembled unigenes of E. indica. Mononucleotides were the most abundant type of repeats (3591, 42.79%), followed by trinucleotides (3162, 37.68%). The most dominant mononucleotide and trinucleotide repeat motifs were A/T (3406, 40.59%) and AAT/ATT (103, 1.5%), respectively. Fourteen pairs of EST-SSR primers were verified and used to analyze the genetic diversity and population structure of 59 goosegrass populations. A total of 49 alleles were amplified, with the number of alleles (Na) ranging from two to eleven per locus, and the effective number of alleles (Ne) ranged from 1.07 to 4.53. The average polymorphic information content (PIC) was 0.36. Genetic structure analysis (K = 2) and principal coordinate analysis divided 59 E. indica populations into two groups in a manner similar to the unweighted pair-group method (Dice genetic similarity coefficient = 0.700). This study developed a set of EST-SSR markers in E. indica and successfully analyzed the diversity and population genetic structures of 59 E. indica populations in China.
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Affiliation(s)
- Jingchao Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Hailan Cui
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Hongjuan Huang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Shouhui Wei
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yan Liu
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Haiyan Yu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yan Ma
- Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
| | - Xiangju Li
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Correspondence: (X.L.); (X.M.); Tel.: +86-010-62813309 (X.L.); +86-372-2562294 (X.M.)
| | - Xiaoyan Ma
- Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, China
- Correspondence: (X.L.); (X.M.); Tel.: +86-010-62813309 (X.L.); +86-372-2562294 (X.M.)
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Singh L, Nanjundan J, Sharma D, Singh K, Parmar N, Jain R, Thakur AK. Agro-morphological traits and SSR markers reveal genetic variations in germplasm accessions of Indian mustard - An industrially important oilseed crop. Heliyon 2022; 8:e12519. [PMID: 36590556 PMCID: PMC9801116 DOI: 10.1016/j.heliyon.2022.e12519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 04/27/2022] [Accepted: 12/13/2022] [Indexed: 12/24/2022] Open
Abstract
Indian mustard is an economic and highly important industrial oilseed crop. In this study, genetic diversity among 135 Indian mustard germplasm accessions was evaluated using 11 agro-morphological descriptors and 227 SSRs. Morphological characterization of Indian mustard germplasm accessions exhibited a broad range of variation for characters including biological yield (CV = 25.63%), seed yield (CV = 23.23% and 1000-seed weight (CV = 23.14%); whereas traits such as days to maturity (CV = 2.91%) showed lowest degree of variation. Out of 227 SSR markers evaluated, a total of 159 (70.04%) SSRs produced polymorphic products and 68 (29.96%) SSRs resulted into monomorphic amplicons. The polymorphic markers amplified 575 alleles and the number of alleles ranged from 2-7 with 3.61 average number of alleles per locus. SSR markers BRMS-030, Ra2-E11, Ra2-G05, Ni4-G10 and Ol10B11 generated the highest number of alleles (7). SSR marker Ra2-G05 was having the highest allele frequency (0.84), while BRMS-002 was having the lowest major allele frequency (0.33). Polymorphism information content (PIC) values ranged from 0.24-0.61 with an average value of 0.39 per primer pair. Unweighted pair group method with arithmetic mean (UPGMA) cluster analysis based on morphological traits grouped Indian mustard genotypes into three clusters, while two clusters were obtained based on SSR based clustering. Population structure analysis provided a better estimate of genetic diversity and divided all the genotypes into five subpopulations. Genetically diverse accessions identified may be used for hybridization in Indian mustard crop improvement programs in future.
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Affiliation(s)
- Lal Singh
- Manipal University Jaipur, 303 007, Rajasthan, India
| | - J. Nanjundan
- ICAR-Indian Agricultural Research Institute-Regional Station, Wellington, 643 231, Tamilnadu, India
| | - Deepika Sharma
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, 321 303, Rajasthan, India
| | - K.H. Singh
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, 321 303, Rajasthan, India
| | - Nehanjali Parmar
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, 321 303, Rajasthan, India
| | - Rohit Jain
- Manipal University Jaipur, 303 007, Rajasthan, India
| | - Ajay Kumar Thakur
- ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, 321 303, Rajasthan, India
- Corresponding author.
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Wang Y, Xu J, Zhao W, Li J, Chen J. Genome-wide identification, characterization, and genetic diversity of CCR gene family in Dalbergia odorifera. FRONTIERS IN PLANT SCIENCE 2022; 13:1064262. [PMID: 36600926 PMCID: PMC9806228 DOI: 10.3389/fpls.2022.1064262] [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: 10/08/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
INTRODUCTION Lignin is a complex aromatic polymer plays major biological roles in maintaining the structure of plants and in defending them against biotic and abiotic stresses. Cinnamoyl-CoA reductase (CCR) is the first enzyme in the lignin-specific biosynthetic pathway, catalyzing the conversion of hydroxycinnamoyl-CoA into hydroxy cinnamaldehyde. Dalbergia odorifera T. Chen is a rare rosewood species for furniture, crafts and medicine. However, the CCR family genes in D. odorifera have not been identified, and their function in lignin biosynthesis remain uncertain. METHODS AND RESULTS Here, a total of 24 genes, with their complete domains were identified. Detailed sequence characterization and multiple sequence alignment revealed that the DoCCR protein sequences were relatively conserved. They were divided into three subfamilies and were unevenly distributed on 10 chromosomes. Phylogenetic analysis showed that seven DoCCRs were grouped together with functionally characterized CCRs of dicotyledons involved in developmental lignification. Synteny analysis showed that segmental and tandem duplications were crucial in the expansion of CCR family in D. odorifera, and purifying selection emerged as the main force driving these genes evolution. Cis-acting elements in the putative promoter regions of DoCCRs were mainly associated with stress, light, hormones, and growth/development. Further, analysis of expression profiles from the RNA-seq data showed distinct expression patterns of DoCCRs among different tissues and organs, as well as in response to stem wounding. Additionally, 74 simple sequence repeats (SSRs) were identified within 19 DoCCRs, located in the intron or untranslated regions (UTRs), and mononucleotide predominated. A pair of primers with high polymorphism and good interspecific generality was successfully developed from these SSRs, and 7 alleles were amplified in 105 wild D. odorifera trees from 17 areas covering its whole native distribution. DISCUSSION Overall, this study provides a basis for further functional dissection of CCR gene families, as well as breeding improvement for wood properties and stress resistance in D. odorifera.
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Affiliation(s)
- Yue Wang
- Hainan Yazhou Bay Seed Laboratory, School of Forestry, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education/Engineering Research Center of Rare and Precious Tree Species in Hainan Province, School of Forestry, Hainan University, Haikou, China
| | - Jieru Xu
- Hainan Yazhou Bay Seed Laboratory, School of Forestry, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education/Engineering Research Center of Rare and Precious Tree Species in Hainan Province, School of Forestry, Hainan University, Haikou, China
| | - Wenxiu Zhao
- Hainan Yazhou Bay Seed Laboratory, School of Forestry, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education/Engineering Research Center of Rare and Precious Tree Species in Hainan Province, School of Forestry, Hainan University, Haikou, China
| | - Jia Li
- Hainan Yazhou Bay Seed Laboratory, School of Forestry, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education/Engineering Research Center of Rare and Precious Tree Species in Hainan Province, School of Forestry, Hainan University, Haikou, China
| | - Jinhui Chen
- Hainan Yazhou Bay Seed Laboratory, School of Forestry, Sanya Nanfan Research Institute of Hainan University, Sanya, China
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education/Engineering Research Center of Rare and Precious Tree Species in Hainan Province, School of Forestry, Hainan University, Haikou, China
- Research Institute of Forestry, Hainan Academy of Forestry (Hainan Academy of Mangrove), Haikou, China
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Voon KJ, Sivasothy Y, Sundralingam U, Lalmahomed A, Goh APT. Cytotoxic Labdane Diterpenes, Norlabdane Diterpenes and Bis-Labdanic Diterpenes from the Zingiberaceae: A Systematic Review. Pharmaceuticals (Basel) 2022; 15:ph15121517. [PMID: 36558968 PMCID: PMC9783331 DOI: 10.3390/ph15121517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 11/12/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Over the years, labdane diterpenes, norlabdane diterpenes, and bis-labdanic diterpenes with cytotoxic activities have been identified across various families in the plant kingdom including the Zingiberaceae. The present review discusses the distribution of these labdane-type diterpenes within the Zingiberaceae; their extraction, isolation, and characterization from the respective Zingiberaceae species; the structural similarities and differences within each group and between the different groups of the labdane-type diterpenes; and their cytotoxic activities against breast, cervical, liver, colorectal, pancreatic, lung and prostate cancer cell lines. The review will also provide insight into how the cytotoxic activities of the labdane-type diterpenes are influenced by their structural features.
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