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IISc Bengaluru Discovers Cow Enzyme CRhAB Effective Against Drug-Resistant Biofilm Bacteria Klebsiella & Acinetobacter

Target:UPSC GS-IIIMPSCSSC GATeachingPrelims HighMains MediumStatic GK Link
05 Sept 2026
~2 min
Source: Indian Express
Key Data:Enzyme CRhABEnzyme GH B2Klebsiella pneumoniaeAcinetobacter baumanniiESKAPENature
Bodies:IISc Bengaluru
Practice MCQs from today's news ▸
What This Article Covers

1.IISc Bengaluru scientists discovered enzyme CRhAB from cow digestive system that breaks down bacterial biofilms.

2.Enzyme effective against both Klebsiella pneumoniae (2024 focus) and Acinetobacter baumannii (new), both part of the ESKAPE pathogen group.

3.Research published in Nature; team working on wound dressings for diabetic foot infections and inhalable form for respiratory infections.

The Big Picture
Prelims · HighMains · Medium

IISc Bengaluru has discovered a new cow enzyme (CRhAB) that breaks down biofilms of two major drug-resistant bacteria (Klebsiella pneumoniae & Acinetobacter baumannii) found in hospitals. This breakthrough, published in Nature, offers a potential new treatment for chronic wound infections and diabetic foot ulcers.

Exam Lens

Quick Exam Facts From News

Enzyme Name (2026)CRhAB
Enzyme Name (2024)GH B2
Pathogen GroupESKAPE
JournalNature
InstitutionIISc Bengaluru

1-Minute Revision

  • ›Enzyme Name (2026): CRhAB
  • ›Enzyme Name (2024): GH B2
  • ›Target this Data: Enzyme CRhAB (2026) and GH B2 (2024) discovered by IISc Bengaluru
  • ›Target this Nodal Body: IISc Bengaluru (Indian Institute of Science)
  • ›Target this Journal: Nature (where the study was published)

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

Q1Static LinkageEasy

Which institution discovered the cow enzyme CRhAB effective against drug-resistant bacterial biofilms?

Q2Statement-basedHard

Consider the following statements:

1. The enzyme CRhAB discovered in 2026 is effective against biofilms of both Klebsiella pneumoniae and Acinetobacter baumannii.

2. The earlier enzyme GH B2 discovered in 2024 was effective against Acinetobacter baumannii biofilms.

3. Both Klebsiella pneumoniae and Acinetobacter baumannii are part of the ESKAPE pathogen group.

Which of the statements given above is/are correct?

Q3Data-centricEasy

In which journal were the findings of the IISc research on cow enzyme CRhAB published?

Q4Application/ImpactMedium

What is the primary mechanism by which the cow enzyme CRhAB helps combat drug-resistant bacterial infections?

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