Results 111 to 120 of about 12,841 (219)
Unifying Retaria Research: A Common Framework for Studying Foraminifera and Radiolaria
Research on Foraminifera and Radiolaria has predominantly focused on their fossil remains. This synthesis identifies the “Big Five” disciplines of a unified Retaria research: diversity and evolution, ecology, life cycles, and ecosystem roles, highlighting this lineage as a model system for understanding life's resilience in a rapidly changing planet ...
Miguel M. Sandin +6 more
wiley +1 more source
Development of Maize Haploid Inducer Lines and Doubled Haploid Lines in Pakistan
The work on maize doubled haploid development has started at the Maize Research Station, Ayub Agricultural Research Institute, Faisalabad, Pakistan during 2010 in collaboration with University of Agriculture Faisalabad, Pakistan. The aim of current study
Rafiq Dogar, Muhammad +6 more
core +1 more source
Zebrafish illustrates how polygenic sex determination, maternal germline bottlenecks, and a structurally restless genome jointly destabilize deep homozygosity. These interlocking constraints make fully isogenic zebrafish lines effectively unattainable, turning this model into a natural “stress test” for assumptions about genetic background and ...
Álvaro J. Arana, Laura Sánchez
wiley +1 more source
Early evolutionary history of the seed
ABSTRACT The seed is an essential stage in the life history of gymnospermous and angiospermous plants, facilitating both their survival and dispersal. We reappraise knowledge of the evolutionary history of the gymnospermous seed, from its origin in the late Devonian through to the well‐known end‐Permian extinctions – an interval encompassing the ...
Richard M. Bateman +2 more
wiley +1 more source
Management of the ig gene for haploid induction in maize
The effect of the ig gene showed the same intensity at the haploid as at the diploid level. This was contrary to the results on the exceptional rate obtained elsewhere, and suggested that haploid manipulation should not be used as a routine procedure. At
M. Pollacsek, Pollacsek, M.
core +1 more source
ABSTRACT Of the three types of cytoskeleton known in animals—actin, microtubules, and intermediate filaments—only actin and microtubules exist in plants. Both play important roles in cellular shaping, organelle movement, organization of the endomembrane system, and cell signaling.
Norman R. Groves +3 more
wiley +1 more source
ABSTRACT Pollen is a male gametophyte of angiosperms. Following meiosis, the microspore undergoes an asymmetric division called pollen mitosis I (PMI), which produces two cells of different sizes: a large vegetative cell and a small generative cell. Polarized nuclear migration and positioning during PMI are important for successful pollen development ...
Yoko Mizuta +5 more
wiley +1 more source
In social insect colonies, diseased or dead brood is identified and removed by workers to prevent the infection of the whole colony. Here, bumble bee larvae exposed to a bacterium (Bacillus thuringiensis ssp. aizawai (strain: ABTS‐1857)) based biopesticide were removed more frequently than wounded or untreated control larvae. This shows that bumble bee
Michelle Scheffler +4 more
wiley +1 more source
Unpollinated ovary culture is an effective approach for generating haploid and doubled haploid lines, but its application in Chinese chive (Allium tuberosum) breeding has been constrained by strong genotype dependence and low regeneration efficiency ...
Qing-Qing Wang +9 more
doaj +1 more source
Abstract Boreal forests cover nearly one‐third of global forest area. Glacial cycles have shaped the distribution and connectivity of modern Pinaceae genera, yet species‐level refugia, postglacial migrations, and hybridization patterns remain unclear due to limited high‐resolution taxonomic and temporal data. We applied a hybridization capture approach
Stefano Meucci +18 more
wiley +1 more source

