K. Shirasawa

Establishing a comprehensive web-based analysis platform for Nicotiana benthamiana genome and transcriptome

The paper develops a web-based platform for analyzing Nicotiana benthamiana genome and transcriptome data, enabling gene expression visualization, phylogenetic analysis, and functional enrichment.

Propagation path of a flowering cherry (Cerasus x yedoensis) cultivar 'Somei-Yoshino' traced by somatic mutations

The paper traces the propagation path of the Somei-Yoshino cherry cultivar by identifying somatic mutations across 46 clones and clustering them into genetic groups.

Genetic basis of lineage-specific evolution of fruit traits in hexaploid persimmon

The paper identifies loci associated with fruit traits in hexaploid persimmon using genome-wide association analysis, finding no overlap with regions under selective sweep.

Identification of major quantitative trait loci for parthenocarpic ability in East Asian melon

This study identifies two major QTLs associated with parthenocarpic ability in melon and validates DNA markers for selecting plants with this trait.

Identification of novel sex determination loci in Japanese weedy melon

This study identifies two novel sex determination loci in Japanese weedy melon, showing unique sex expression due to interactions with known genes.

Ongoing rapid evolution of a post-Y region revealed by chromosome-scale genome assembly of a hexaploid monoecious persimmon (Diospyros kaki)

This study reveals rapid evolution of the post-Y region in a hexaploid persimmon through chromosome-scale genome assembly and comparative analysis with dioecious relatives.

Novel QTLs for cucumber resistance to two Colletotrichum orbiculare strains of different pathogenic races

The paper identifies novel QTLs in cucumber conferring resistance to two different pathogenic races of Colletotrichum orbiculare using genetic mapping of F2:3 families.

Transcriptome Dynamics of Floral Organs Approaching Blooming in the Flowering Cherry (Cerasus x yedoensis) Cultivar 'Somei-Yoshino'

The paper analyzes transcriptome dynamics in flowering cherry buds and flowers to identify genes involved in blooming and petal movement, and proposes a bloom forecasting method using gene expression markers.

A chromosome-level genome sequence of a model chrysanthemum: evolution and 1 reference for hexaploid cultivated chrysanthemum

The paper presents a chromosome-level genome sequence of a diploid chrysanthemum, identifies recent retrotransposon activity, and demonstrates its utility for positional cloning and breeding.

Organelle genome assembly uncovers the dynamic genome reorganization and cytoplasmic male sterility associated genes in tomato.

This study identifies CMS-associated genes in tomato by comparing mitochondrial and chloroplast genomes across CMS lines and their donors, finding three uniquely expressed genes in CMS lines.

Whole-genome sequence analysis of mutations in rice plants regenerated from zygotes, mature embryos, and immature embryos

The paper analyzes whole-genome sequences of rice plants regenerated from different embryonic sources to assess somaclonal variation and mutation rates.

Analysis of the lineage of Phytophthora infestans isolates using mating type assay, traditional markers, and next generation sequencing technologies

The paper analyzes genetic divergence in Phytophthora infestans isolates from Egypt and Japan using molecular approaches and genome-wide sequencing to identify new clusters.

The persimmon genome reveals clues to the evolution of a lineage-specific sex determination system in plants

The paper investigates the evolution of dioecy in persimmon by analyzing genome duplication events and gene function, revealing how gene duplication and adaptation contributed to the development of a sex determination system.