Publications by authors named "R van Velzen"
Flocks differ in levels for , and .Gut Damage Ratio differs between broilers with or without gut health problems.Results of both assays in 21-day-old broilers relate significantly to slaughter weight.
View Article and Find Full Text PDFUnderstanding the development of early-diverging lineages is crucial for inferring evolutionary context in evolutionary developmental biology. Thermobia domestica (the firebrat), a member of Zygentoma, holds particular significance to insect phylogenetics due to its position as a sister group to all winged insects (Pterygota). We explore its development by reporting on the embryonic morphology using DAPI staining at 14 selected timepoints throughout development, which lasts 10 days.
View Article and Find Full Text PDFThe final steps of ethylene biosynthesis involve the consecutive activity of two enzymes, 1-aminocyclopropane-1-carboxylate synthase (ACS) and 1-aminocyclopropane-1-carboxylate oxidase (ACO). These enzymes are encoded by small gene families, which, in the case of legumes, have not been systematically characterized at the level of gene family membership or phylogenetic relationship. Moreover, the absence of consensus nomenclature complicates comparisons within the scientific literature, where authors are addressing the roles of these genes in planta.
View Article and Find Full Text PDFArticle Synopsis
- The study focuses on the early developmental stages of the mayfly Ephemera vulgata, an ancient flying insect, to better understand ancestral modes of insect development which have been under-researched compared to more modern insects.
- Through DAPI staining and extensive RNA sequencing, researchers created a detailed expression atlas and identified over 6,000 differentially expressed genes across various developmental timepoints.
- The findings highlight a structured progression in embryonic development, revealing important correlations between genetic expression and the formation of major anatomical structures, as well as insights into the ancestral short germ segmentation process.
Article Synopsis
- Hemp (Cannabis sativa L.) is native to Central and Southeast Asia and is analyzed in this study for its wild populations in Pakistan, focusing on how environmental factors impact its growth.
- Key environmental factors like humidity, temperature, and geographical location significantly influence the distribution and phenotypic diversity of wild hemp populations.
- The study identified three distinct groups of hemp populations based on ecological conditions, emphasizing the importance of these factors for conservation and breeding efforts.