The Cabreúva tree, Myroxylon peruiferum, is an endangered tropical species from Brazil used in forest restoration projects. It is known for its medicinal properties. Eleven microsatellite markers were developed for this species, from a microsatellite-enriched library. Nine of these markers, characterized in 30 individuals from a semideciduous forest remnant population in southeast Brazil, were polymorphic, with allele numbers ranging from 2 to 8 per locus; expected and observed heterozygosities ranged from 0.103 to 0.757 and 0.107 to 0.704, respectively. One locus (Mpe-C04) showed significant deviation from Hardy-Weinberg equilibrium, probably due to null alleles. Two other loci (Mpe-E09 and Mpe-H07) were monomorphic in this population. These microsatellite loci should be useful for future population genetic studies of this species.
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http://dx.doi.org/10.4238/2014.March.26.1 | DOI Listing |
BMC Genomics
January 2025
Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, No. 3888 Chenhua Road, Songjiang District, Shanghai, 201602, China.
Background: Despite the rapid advancement of high-throughput sequencing, simple sequence repeats (SSRs) remain indispensable molecular markers for various applied and research tasks owing to their cost-effectiveness and ease of use. However, existing SSR markers cannot meet the growing demand for research on lotus (Nelumbo Adans.) given their scarcity and weak connections to the lotus genome.
View Article and Find Full Text PDFCancer Immunol Immunother
January 2025
State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong, China.
Microsatellite stable (MSS) colorectal cancer (CRC) is a subtype of CRC that generally exhibits resistance to immunotherapy, particularly immune checkpoint inhibitors such as PD-1 blockade. This study investigates the effects and underlying mechanisms of combining PD-1 blockade with IDO1 inhibition in MSS CRC. Bioinformatics analyses of TCGA-COAD and TCGA-READ cohorts revealed significantly elevated IDO1 expression in CRC tumors, correlating with tumor mutation burden across TCGA datasets.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium.
Background: Classical genome-wide association studies (GWAS) of Alzheimer's disease (AD), which successfully identified over 75 risk loci to date, are limited to the content of the imputation panels that typically do not cover all types of genetic variation, e.g., tandem repeats encompassing >55% of human genome.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
Background: Studies of the genetics of Alzheimer's disease (AD) have largely focused on single nucleotide variants and short insertions/deletions. However, much of the disease heritability has yet to be uncovered, suggesting that other forms of genetic variation promote substantial portions of genetic risk. Uncovering the genetic basis of AD can lead to new disease biomarkers and delineate disease mechanisms.
View Article and Find Full Text PDFFront Genet
December 2024
Instituto de Medicina Tropical "Alexander von Humboldt", Universidad Peruana Cayetano Heredia, Lima, Peru.
Introduction: Malaria molecular surveillance (MMS) can provide insights into transmission dynamics, guiding national control programs. We previously designed AmpliSeq assays for MMS, which include different traits of interest (resistance markers and deletions), and SNP barcodes to provide population genetics estimates of and parasites in the Peruvian Amazon. The present study compares the genetic resolution of the barcodes in the AmpliSeq assays with widely used microsatellite (MS) panels to investigate population genetics of Amazonian malaria parasites.
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