Unverified50% confidenceFactExact time

Microbial biomarkers include membrane lipids of bacteria and archaea (such as GDGT), ergosterol of fungi, and microbial DNA fragments preserved in sediments.

1

Sources

50%

Confidence

Long-term

Relevance

10/24/2026

First Seen

Sources

Collagen-Eating Microbes May Explain Gaps in the Fossil Record

Related Entities

微生物标志物concept GDGTconcept 麦角固醇concept

Related Claims

UnverifiedThe presence of collagenase activity or related genes in sediments can serve as a potential biomarker that "collagen-eating microorganisms" were once active.77% similar Unverified酸面团的面种是由野生酵母菌（如旧金山乳酸菌 Lactobacillus sanfranciscensis）和乳酸菌共同构成的微生物生态系统69% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/1092051

API

curl https://kongchang.com/api/v1/knowledge/claims/1092051

MCP

get_claim(id=1092051)