Accumulation of protoporphyrin IX in light-sensitive mutants of Escherichia coli.

doi:10.1016/0014-5793(92)81341-i

Back to search

Article

Accumulation of protoporphyrin IX in light-sensitive mutants of Escherichia coli.

FEBS letters - 5 Oct 1992

Miyamoto K, Nishimura K, Masuda T, Tsuji H, Inokuchi H

Abstract excerpt

The accumulation of protoporphyrin IX (Proto IX) in light-sensitive mutants of Escherichia coli was detected by spectrofluorimetry. Fluorescence emission and excitation spectra were recorded from extracts of bacterial cells. Proto IX clearly accumulated in cells with mutations in the visA (hemH)...

Topics

Escherichia coli
Genetic Complementation Test
Mutation
Photic Stimulation
Protoporphyrins
Spectrometry, Fluorescence

Community interpretation

Discuss the evidence

Ask a question, add context or challenge an interpretation. Community activity is separate from scientific evidence strength.

discussions

replies

Citations encouraged

Claims remain attributable.

No discussion yet

Be the first to add a careful, cited interpretation.