In rats, the types and amounts of bacteria on the skin differ between males and females, but this difference isn't seen in the mouth or gut bacteria.

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

association

Can only show association/correlation

Assessment Explanation

The study describes observed differences in microbial diversity between sexes for different body sites. The phrase 'sex-specific differences...observed only in skin microbiota' accurately reflects the descriptive nature of the finding.

Evidence from Studies

Supporting (1)

Beyond the Gastrointestinal Tract: Oral and Sex-Specific Skin Microbiota Are Associated with Hypertension in Rats with Genetic Disparities.

Cohort Study

Animal

2022 Jul 1

Contradicting (0)

No contradicting evidence found

Source Study

Beyond the Gastrointestinal Tract: Oral and Sex-Specific Skin Microbiota Are Associated with Hypertension in Rats with Genetic Disparities.

Score: 12

DOI: 10.1152/physiolgenomics.00169.2021

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In rats, the bacteria in the mouth are different from those on the skin and in the gut, with Actinobacteria and Proteobacteria being the most common types in the mouth.

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In rats prone to high blood pressure, the types and amounts of bacteria on the skin are affected by the rat's genetic makeup, but this effect is different for male and female rats.

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In rats, the bacteria on the skin are different from those in the mouth and gut, with Cyanobacteria being the most common type on the skin.

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