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Current Sperm News and Events

Current Sperm News and Events, Sperm News Articles.
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Unravelling the genetics of fungal fratricide
Selfish genes are genes that are passed on to the next generation but confer no advantage on the individual as a whole, and may sometimes be harmful. (2018-10-15)
Molecular guardians monitor chromosomes during cell division
One of the worst things that can happen to a cell is to end up with the wrong number of chromosomes. (2018-10-04)
New information for women faced with infertility
A new Journal of Obstetrics and Gynaecology Research study offers infertile women new information regarding their expected probabilities of becoming pregnant and may help them select the optimal treatment based on their various risk factors. (2018-10-03)
Fresh insights help unlock mysteries of the first stages of life
Key insights into how sperm and egg cells are formed have been discovered by scientists, shedding light on the earliest stages of their development. (2018-10-03)
Some female termites can reproduce without males
Populations of the termite species Glyptotermes nakajimai can form successful, reproducing colonies in absence of males, according to a study published in the open access journal BMC Biology. (2018-09-24)
Advanced animal society thrives without males
Termite colonies have been found to thrive and reproduce without males, new research from the University of Sydney reveals. (2018-09-24)
Father's obesity in early puberty doubles asthma-risk for future offspring
Boys who have considerable weight gain between childhood and puberty, double the risk of having asthma as an adult, and for future offspring. (2018-09-18)
Sperm quality study updates advice for couples trying to conceive
New clinical and molecular evidence shows sperm quality and reproductive outcomes are improved when semen is provided after just 1-3 hours of abstinence. (2018-09-17)
WSU Researchers see new plastics causing reproductive woes of old plastics
Washington State University researchers have found that plastic products meant to replace the chemical bisphenol A, or BPA, are also causing genetic abnormalities in mice. (2018-09-13)
Device to corral viable sperm may speed IVF process
For couples hoping for a baby via in vitro fertilization, chances have improved. (2018-09-10)
Father's diet could affect the long-term health of his offspring
New research has shown that a lack of protein in a father's diet affects sperm quality which can have a direct impact on the long-term health of their offspring. (2018-08-29)
Reversing influences of intergenerational stress offers hope for addressing public health
Researchers at Yerkes National Primate Research Center, Emory University, have shown for the first time in an animal model it is possible to reverse influences of parental stress by exposing parents to behavioral interventions following their own exposure to stress. (2018-08-27)
Can 'microswimmers' swim through jelly?
Researchers from Tokyo Metropolitan University have studied how microswimmers, like bacteria or sperm, swim through fluids with both solid and liquid-like properties e.g. gels. (2018-08-27)
New insights on sperm production lay groundwork for solving male infertility
Using advanced techniques, Michigan Medicine researchers have created the most complete catalog of cells in the male gonads. (2018-08-24)
Researchers develop cryopreservation method of ladybird beetle ovaries
A new study has found an effective way to cryopreserve -- preservation by cooling to very low temperature -- and subsequently transplant ovaries of the multicolored Asian ladybird beetle, Harmonia axyridis. (2018-08-23)
Sex in plants requires thrust
In a TECHNOLOGY paper to be published in the September 2018 issue of TECHNOLOGY, the thrust produced by the microscopic organ delivering sperm cells in plants has now been measured using microfluidic technology. (2018-08-20)
There is not one kind of 'good sperm' -- it depends on other qualities in the male
In a study published in Behavioral Ecology researchers from Uppsala University show that the same type of sperm is not always the best for all male birds. (2018-08-16)
Largest study yet shows type of underwear is linked to men's semen quality
Men who wear boxer shorts have higher sperm concentrations than men who wear tighter fitting underwear, according to new research published in Human Reproduction. (2018-08-08)
Boxers or briefs? Loose-fitting underwear may benefit sperm production
Men who most frequently wore boxers had significantly higher sperm concentrations and total sperm counts when compared with men who did not usually wear boxers, according to new research led by Harvard T.H. (2018-08-08)
Double time limit for embryo research say ethics experts
In countries which already permit embryo research, there are no 'compelling moral arguments' why the time limit for experimentation should not be doubled say ethics experts. (2018-08-07)
Research reveals molecular details of sperm-egg fusion
By revealing the structure of proteins that enable sperm and egg to fuse to form zygotes in plant and protozoan species, the new study may aid in discovering the fusion process for humans, which remains a mystery. (2018-08-07)
The rules of attraction: Scientists find elusive molecule that helps sperm find egg
A recent report in Nature Communications by scientists affiliated with the Marine Biological Laboratory identifies a key molecule driving chemoattraction between sperm and egg cells in marine invertebrates. (2018-08-03)
Fish reproduction: Two times a lady
A DNA probing technique clarifies the mechanism behind clonal reproduction of female dojo loach fish, also providing insight into the ancestral origin of the clonal population. (2018-08-02)
Beetle named after actress & biologist Isabella Rossellini for her series about animals
A new species of beetle with remarkable genitalia that hint at a curious evolutionary 'sexual arms race' has been described from Malaysian Borneo. (2018-07-30)
Changes to sperm's small RNA in the epididymis may help ensure mouse embryos implant
This week, Louise Brown, the first person born after conception by in vitro fertilization (IVF), celebrates her 40th birthday. (2018-07-26)
Changes to small RNA in sperm may help fertilization
UMass Medical School Professor Oliver J. Rando, M.D., Ph.D., sheds new light on the processes of fertilization and epigenetic inheritance in mammals. (2018-07-26)
Unisexual salamander evolution: A long, strange trip
The reproductive history of the unisexual, ladies-only salamander species is full of evolutionary surprises. (2018-07-25)
A protein that promotes compatibility between chromosomes after fertilization
A research team from the Center for Biomedical Research, at the University of Algarve, and Instituto Gulbenkian de Ciência, led by Rui Gonçalo Martinho and Paulo Navarro-Costa has identified the mechanism by which the fertilized egg balances out the differences between chromosomes inherited from the mother and the father. (2018-07-24)
Treatments for cancer and sickle cell disease deplete germ cells in young boys
Scientists have discovered that some treatments for cancer and sickle cell disease can destroy the germ cells that go on to develop into sperm in the testes of young boys. (2018-07-24)
Moderate alcohol consumption may boost male fertility
The question of whether alcohol intake affects male reproductive function is controversial. (2018-07-18)
Studies of all PIH proteins in zebrafish reveal distinct roles in axonemal dynein assembly
A research team led by Masahide Kikkawa, a professor of the University of Tokyo, established zebrafish mutants of all four PIH-protein genes and solved the structures of axonemal dyneins in mutant spermatozoa by cryo-electron tomography. (2018-07-17)
Heritable genome editing: Action needed to secure responsible way forward
An independent inquiry by the Nuffield Council on Bioethics has concluded that editing the DNA of a human embryo, sperm, or egg to influence the characteristics of a future person ('heritable genome editing') could be morally permissible. (2018-07-16)
The first endemic Baltic Sea fish species received its name
Researchers at the University of Helsinki discovered and named a new endemic fish species in the Baltic Sea, the 'Baltic flounder,' Platichthys solemdali. (2018-07-11)
Rhino sperm from the cold
A new mixture of cryoprotectives allows for an unprecedented high motility of frozen rhinoceros sperm after thawing, report scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) in Berlin, Germany. (2018-07-11)
Protein function repairing genetic damage in spermatogenesis identified
Researchers from the Department of Cell Biology, Physiology and Immunology and the Institute for Biotechnology and Biomedicine of the Universitat Autònoma de Barcelona, have unmasked the functioning of a protein involved in DNA repair, ATR, in the meiotic recombination process which takes place during the development of spermatocytes -- sperm precursor cells -- and how inhibiting this protein causes anomalies which block spermatogenesis. (2018-07-09)
Environmental impact passed on to offspring
Exposure to cold prior to conception causes the resulting offspring to have more brown adipose tissue, which protects against excess weight and metabolic disorders. (2018-07-09)
How to start a nanomotor?
Most people have never heard of them, and yet every living being needs them to survive: fine protrusions of cells known as cilia. (2018-07-05)
A diet rich in nuts improves sperm count and motility
The inclusion of nuts in a regular diet significantly improves the quality and function of human sperm, according to results of a randomised trial which measured conventional semen parameters and molecular changes over a 14-week study period. (2018-07-04)
A breakthrough to rescue the Northern White Rhino
Northern White Rhinos (NWR) are functionally extinct, as only two females of this species are left on the planet. (2018-07-04)
Sub-fertility in men treated with ICSI associated with an increased risk of prostate cancer
Subfertile men who have received fertility treatment with the microinjection technique of ICSI (intracytoplasmic sperm injection) have been found at a significantly greater risk of prostrate cancer, according to an analysis of three comprehensive nationwide registries in Sweden. (2018-07-03)
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