Results 81 to 90 of about 71,928 (261)
Brood parasitism reduces but does not prevent Bombus terrestris reproductive success
Graphical depiction of the colony splitting process. Throughout figures in this paper, results pertaining to host success are represented in blue, and cuckoo success is represented in red. Abstract Cuckoo bumblebees are obligate brood parasites that must invade a colony of their host bumblebee species in order to reproduce.
Sofia Dartnell, Lynn V. Dicks
wiley +1 more source
The use of deidentified organ donor testes for research
Abstract Our knowledge of testis development and function mainly comes from research using mammalian model organisms, primarily the mouse. However, there are integral differences between men and other mammalian species regarding cellular composition and expression profiles during fetal and post‐natal testis development and in the mature testis ...
Marina V. Pryzhkova +4 more
wiley +1 more source
Testis‐Enriched F‐Box Protein FBXO39 Is Important for Spermiogenesis and Male Fertility in Mice
ABSTRACT Background The SCF (Skp–Cullin–F‐box) complex is a major class of E3 ubiquitin ligases. F‐box proteins constitute the SCF complex and play a critical role in recognizing substrates for ubiquitination. In mice, several F‐box proteins, including FBXO36 and FBXO39, are predominantly expressed in testes.
Yuki Kaneda +2 more
wiley +1 more source
Sperm Head–Tail Coupling Apparatus Diversity and Common Themes Among Species
ABSTRACT Background A stable connection between the sperm head (containing the nucleus and acrosome) and tail (containing the axoneme, mitochondrial sheath, and periaxonemal structures) is critical for fertility. This connection is mediated by a series of nuclear, cytoplasmic, and centriole components that make up the head–tail coupling apparatus (HTCA)
Danielle B. Buglak +2 more
wiley +1 more source
ABSTRACT This study presents the first detailed morphological analysis of the male reproductive system of Chalcophora mariana (Linnaeus, 1758) using stereo microscopy, light microscopy, and scanning electron microscopy. The male reproductive system of C.
Hicret Arslan, Selami Candan
wiley +1 more source
ABSTRACT Features of the reproductive organs, such as the number of testicular follicles, testis colour and the morphology of the glands, can be used as systematic characters. For this purpose, this paper was the first description of the male reproductive system anatomy and histology of Hypera postica (Gyllenhal, 1813) (Coleoptera: Curculionidae), a ...
Nurcan Özyurt Koçakoğlu +3 more
wiley +1 more source
One of the key factors determining the effectiveness of pepper anther cultures is donor plant genotype. The stock material for androgenic embryos inductions is usually made up of hybrid forms, since the higher the degree of heterozygosity, the greater ...
Niklas-Nowak Aleksandra +3 more
doaj +1 more source
Summary Response assessment in diffuse large B‐cell lymphoma (DLBCL) has traditionally relied on anatomical and metabolic imaging, with fluorodeoxyglucose positron emission tomography (FDG‐PET)–defined complete metabolic remission representing the principal end‐point of first‐line therapy. However, growing evidence indicates that metabolic control does
Santino Caserta +12 more
wiley +1 more source
Haploid breeding technology has advantages in terms of saving time and reducing labor intensity and costs. However, the low induction rate limits the application of this technology.
Shiqi Gong +12 more
doaj +1 more source
Role of haploid inducer in haploid development
In a world where food security, environmental sustainability, and agricultural innovation are increasingly critical, commercial plant breeding stands at the forefront of agricultural science. "Commercial Plant Breeding: Techniques and Approaches" offers a comprehensive exploration of the methods, challenges, and advancements in the field, highlighting ...
Bhagat, Ankit Kumar +3 more
openaire +1 more source

