ArticleScientific reports2021
Assessing coral sperm motility.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 20 citations in OpenAlex.
- Integrative functional and molecular characterization of Bali bull semen and its relationship with reproductive performance.Veterinary world · 2026Article
- Effects of temperature, hyposalinity, and diminishing sperm concentration on fertilisation and embryonic development in Acropora tumida and Platygyra carnosa.Scientific reports · 2026Article
- Genetic Diversity of Sexually Propagated Corals Is Maintained From the Aquarium to the Reef.Molecular ecology · 2026Article
- Critical thresholds of adult patch density and spacing during coral fertilization.Nature ecology & evolution · 2025Article
- The Cryoprotectant Effects of Safflower Polysaccharides on the Quality of Frozen-Thawed Boar Sperm.Animals : an open access journal from MDPI · 2025Article
- Effect of Bovine Serum Albumin (BSA) Concentration on Cryopreservation of Booroolong Frog Sperm with Evaluation of Post-Thaw Motility in Caffeine.Veterinary sciences · 2025Article
- Food from Equids-Commercial Fermented Mare's Milk (Koumiss) Products: Protective Effects against Alcohol Intoxication.Foods (Basel, Switzerland) · 2024Article
- Solar radiation, temperature and the reproductive biology of the coral Lobactis scutaria in a changing climate.Scientific reports · 2023Article
- Challenges of sperm cryopreservation in transferring heat adaptation of corals across ocean basins.PeerJ · 2022Article
- Reproductive plasticity of Hawaiian Montipora corals following thermal stress.Scientific reports · 2021Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The declining reproductive viability of corals threatens their ability to adapt to changing ocean conditions. It is vital that we monitor this viability quantitatively and comparatively. Computer-assisted sperm analysis (CASA) systems offer in-depth analysis used regularly for domestic and wildlife species, but not yet for coral. This study proposes quality control procedures and CASA settings that are effective for coral sperm analysis. To resolve disparities between CASA measurements and evaluations by eye, two negative effects on motility had to be resolved, slide adhesion (procedural) and sperm dilution (biological). We showed that the addition of bovine serum albumin, or caffeine, or both to fresh sperm reduced adhesion in the CASA cassettes, improved motility and motile sperm concentration (P < 0.0001), yet these additions did not affect measurements of total sperm concentration. Diluting coral sperm reduced sperm motility (P = 0.039), especially from heat-stressed corals. We found CASA concentration counts comparable to haemocytometer and flow cytometer measures (P = 0.54). We also found that motile sperm per egg is a useful predictor of fertilisation success, using cryopreserved sperm. Standard measurements of coral reproductive characteristics inform our understanding of the impacts of climate change on reef populations; this study provides a benchmark to begin this comparative work.
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