Introduction: The bacterial endosymbiont, spp. induce thelytokous parthenogenesis in certain parasitoid wasps, such as the egg parasitoid wasps spp. To complete the cycle of vertical transmission, displays efficient transovarial transmission by targeting the reproductive tissues and often exhibits strong tissue-specific tropism in their host.
Method: The present study aimed to describe the basic distribution patterns that occur during the development of -infected, thelytokous , and . We used fluorescence hybridization (FISH) to investigate signal dynamics during early embryogenesis (from 30 to 120 min). titers and distributions from the embryo to adult stages of after early embryogenesis were detected by absolute quantitative polymerase chain reaction (AQ-PCR) and FISH. The symmetry ratios (SR) of the signals were calculated using the SR odds ratios in the anterior and posterior parts of the host. The SR was determined to describe tropism during early embryogenesis and various developmental stages of .
Results: was concentrated in the posterior part of the embryo during early embryogenesis and the various developmental stages of both and . density increased with the number of nuclei and the initial mitotic division frequency during early embryogenesis. The total titer increased with postembryogenesis development in both and . However, the densities relative to body size were significantly lower at the adult and pupal stages than they were at the embryonic stage.
Discussion: The present work revealed that posterior concentration during early host embryogenesis determined localization in adult wasps. By this mechanism, exhibits efficient vertical transmission across generations by depositing only female -infected offspring. The results of this study describe the dynamics of during the development of their host. The findings of this investigation helped clarify tropism in wasps.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10324615 | PMC |
| http://dx.doi.org/10.3389/fcimb.2023.1198428 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Sperm-borne small non-coding RNAs: potential functions and mechanisms as epigenetic carriers.
Cell Biosci
January 2025
Center for Reproduction and Genetics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, China.
Over the past two decades, the study of sperm-borne small non-coding RNAs (sncRNAs) has garnered substantial growth. Once considered mere byproducts during germ cell maturation, these sncRNAs have now been recognized as crucial carriers of epigenetic information, playing a significant role in transmitting acquired traits from paternal to offspring, particularly under environmental influences. A growing body of evidence highlights the pivotal role of these sncRNAs in facilitating epigenetic inheritance across generations.
View Article and Find Full Text PDFMultiplexed transcriptomic analyzes of the plant embryonic hourglass.
Nat Commun
January 2025
School of Integrative Plant Science, Plant Biology Section, Cornell University, Ithaca, NY, USA.
Zoologists have adduced morphological convergence among embryonic stages of closely related taxa, which has been called the phylotypic stage of embryogenesis. Transcriptomic analyzes reveal an hourglass pattern of gene expression during plant and animal embryogenesis, characterized by the accumulation of evolutionarily older and conserved transcripts during mid-embryogenesis, whereas younger less-conserved transcripts predominate at earlier and later embryonic stages. In contrast, comparisons of embryonic gene expression among different animal phyla describe an inverse hourglass pattern, where expression is correlated during early and late stages but not during mid-embryo development.
View Article and Find Full Text PDFPreventive vs. Therapeutic Effects of Shoutai Wan: Maintaining an Acidic Microenvironment at the Maternal-Fetal Interface to Promote Angiogenesis and Minimize Pregnancy Loss in RSA Mice.
J Ethnopharmacol
January 2025
College of Integrated Traditional Chinese and Western Medicine, Hebei University of Chinese Medicine, Shijiazhuang, 050091, China; Collaborative Innovation Center of Integrated Chinese and Western Medicine on Reproductive Disease, Shijiazhuang, 050091, China; Hebei Key Laboratory of Integrative Medicine on Liver-kidney Patterns, Shijiazhuang, 050091, China. Electronic address:
Ethnopharmacological Relevance: The classic TCM prescription, Shoutai Wan (STW), is extensively used in clinical settings to manage threatened miscarriage and Recurrent spontaneous abortion (RSA). The complexity of pregnancy physiology, coupled with diverse etiologies, and the specificity of energy metabolism for normal embryo attachment and development,pose challenges to clinical diagnosis and treatment. The specific molecular mechanisms of how STW regulates these biological processes and contributes to the treatment of RSA remain to be elucidated.
View Article and Find Full Text PDFThe FIRE biosensor illuminates iron regulatory protein activity and cellular iron homeostasis.
Cell Rep Methods
January 2025
Department of Pathology, University of California, San Francisco, San Francisco, CA, USA; The Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA, USA. Electronic address:
On Earth, iron is abundant, bioavailable, and crucial for initiating the first catalytic reactions of life from prokaryotes to plants to mammals. Iron-complexed proteins are critical to biological pathways and essential cellular functions. While it is well known that the regulation of iron is necessary for mammalian development, little is known about the timeline of how specific transcripts network and interact in response to cellular iron regulation to shape cell fate, function, and plasticity in the developing embryo and beyond.
View Article and Find Full Text PDFThe molecule events expression of TGF-β/Smad signaling pathway in morphological and structural developmental characteristics of gonads in goose embryos.
Poult Sci
January 2025
College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China; Key Laboratory of Animal Production, Product Quality and Security, Jilin Agricultural University, Ministry of Education, Changchun, 130118, China; Joint Laboratory of Modern Agricultural Technology International Cooperation, Ministry of Education, Jilin Agricultural University, Changchun, 130118, China. Electronic address:
China is the largest producer and consumer of geese with significant social and economic value in agriculture. The Jilin White Goose, known for its excellent egg-laying and reproductive characteristics, is a prominent breeding breed in the northeast of China widely used for cross-breeding.Gonad development is a complex process, which will differentiate into testes or ovaries, thus affecting sex determination.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!