ArticleScientific reports2015
Modification of sperm morphology during long-term sperm storage in the reproductive tract of the Chinese soft-shelled turtle, Pelodiscus sinensis.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
14 citing papers in PubMed, 31 citations in OpenAlex.
- Spermatogenesis and Morphology of the Male Reproductive Tract of the Turtle Kinosternon scorpioides.Anatomia, histologia, embryologia · 2026Article
- Article
- Article
- Temperatures Lower than Preferred Ones Maintain DNA Integrity and Sperm Quality ofAnimals : an open access journal from MDPI · 2025Article
- Implementation of a method for sperm cryopreservation in sceloporine lizards.Conservation physiology · 2022Article
- Ubiquitin and Receptor-Dependent Mitophagy Pathways and Their Implication in Neurodegeneration.Journal of molecular biology · 2020Review
- Post-ejaculatory modifications to sperm (PEMS).Biological reviews of the Cambridge Philosophical Society · 2020Review
- Advances in understanding mechanisms of long-term sperm storage-the soft-shelled turtle model.Histology and histopathology · 2020Article
- Molecular and Cellular Mechanisms of Apoptosis during Dissociated Spermatogenesis.Frontiers in physiology · 2017Article
- Entosis Acts as a Novel Way within Sertoli Cells to Eliminate Spermatozoa in Seminiferous Tubule.Frontiers in physiology · 2017Article
- Sneaker Male Squid Produce Long-lived Spermatozoa by Modulating Their Energy Metabolism.The Journal of biological chemistry · 2016Article
- Cytological study on Sertoli cells and their interactions with germ cells during annual reproductive cycle in turtle.Ecology and evolution · 2016Article
- Article
- Subcellular Evidence for Biogenesis of Autophagosomal Membrane during SpermiogenesisFrontiers in physiology · 2016Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sperm storage in vivo extends the time window for fertilisation in several animal species, from a few days to several years. The underlying storage mechanisms, however, are largely unknown. In this study, spermatozoa from the epididymis and oviduct of Chinese soft-shelled turtles were investigated to identify potentially relevant morphological features and transformations at different stages of sperm storage. Large cytoplasmic droplets (CDs) containing lipid droplets (LDs) were attached to the midpiece of most spermatozoa in the epididymis, without migrating down the sperm tail. However, they were absent from the oviductal spermatozoa, suggesting that CDs with LDs may be a source of endogenous energy for epididymal spermatozoa. The onion-like mitochondria recovered their double-membrane morphology, with typical cristae, within the oviduct at a later stage of storage, thus implying that mitochondrial metabolism undergoes alterations during storage. Furthermore, a well developed fibrous sheath on the long principal piece was the integrating ultrastructure for glycolytic enzymes and substrates. These novel morphological characteristics may allow turtle spermatozoa to use diverse energy metabolism pathways at different stages of storage.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.