Effects of 2-alkylthio-6-aminobenzothiazoles and their 6-N-substituted derivatives on photosynthesis inhibition in Chlorella vulgaris and spinach chloroplasts.

Paper

Effects of 2-alkylthio-6-aminobenzothiazoles and their 6-N-substituted derivatives on photosynthesis inhibition in Chlorella vulgaris and spinach chloroplasts.

Published Oct 1, 1993 · K. Král’ová, F. Šeršen, E. Sidóová

General physiology and biophysics

Q3 SJR score

11

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0

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Abstract

2-Alkylthio-6-aminobenzothiazoles and their 6-N-substituted derivatives 3-(2-alkylthio-6-benzothiazolylaminomethyl)-2-benzothiazolineth iones and 3-(2-alkylthio-6-benzothiazolylaminomethyl)-6-bromo-2-benzothia zolinones inhibit photosynthetic processes in spinach chloroplasts and the chlorophyll production in Chlorella vulgaris. The inhibitory activity depends on the alkyl chain length of the thioalkyl substituent. The site of action of the effectors studied is on the donor side of photosystem 2 before the site of action of diphenylcarbazide. The highest antialgal effects were exhibited by compounds containing bromine.

In Vitro Study

Study Snapshot

2-alkylthio-6-aminobenzothiazoles and their 6-N-substituted derivatives inhibit photosynthetic processes in spinach and Chlorella vulgaris chloroplasts, with the highest antialgal effects exhibited by compounds containing bromine.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Effects of 2-alkylthio-6-aminobenzothiazoles and their 6-N-substituted derivatives on photosynthesis inhibition in Chlorella vulgaris and spinach chloroplasts.

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References

3-Substituted 6-Bromo-2-benzothiazolinones and Their Antialgal and Plant Growth Regulating Activity.

3-Substituted 6-Bromo-2-benzothiazolinones show antialgal and plant growth regulating activity, with potential applications in agriculture and horticulture.

Inhibitory effect of piperidinoethylesters of alkoxyphenylcarbamic acids on photosynthesis.

Piperidinoethylesters of alkoxyphenylcarbamic acids inhibit photosynthetic processes in algae and plant chloroplasts, with maximum effect at 6-8 carbon atoms in the alkyl chain, and cause destruction of PS II protein complex.

The YF161D1 mutant of Synechocystis 6803 exhibits an EPR signal from a light-induced photosystem II radical.

The YF161D1 mutant of Synechocystis 6803 shows a light-induced EPR signal from a photosystem II radical, suggesting that it contains a redox-active amino acid.

Fast oxygen‐independent degradation of the DI reaction center protein in photosystem II

Illumination of chloride-depleted or Tris-washed thylakoids rapidly degrades the DI reaction center protein in photosystem II, suggesting long-lived, strongly oxidizing radicals as the damaging species.

Kinetics of drug activities as influenced by their physico-chemical properties: antibacterial effects of alkylating 2-furylethylenes.

This method allows for the incorporation of time of exposure into the relationship between biological and physico-chemical properties of drugs, improving quantitative structure-activity relationships.

Tyrosine radicals are involved in the photosynthetic oxygen-evolving system.

D+ and most likely Z+ radicals in photosynthetic oxygen-evolving systems are tyrosine radicals, eliminating the plastoquinone origin for D+.

Artificial Acceptors and Donors

Artificial electron donors and acceptors have helped elucidate complex electron transport chains in biological membranes, revealing the sequence, energy-conserving steps, and topography of the photosynthetic electron transport chain in the chloroplast membrane.

Citations

Photosynthesis-Inhibiting Activity of 1-[(2-Chlorophenyl)carbamoyl]- and 1-[(2-Nitrophenyl)carbamoyl]naphthalen-2-yl Alkylcarbamates †

The compounds 1-[(2-chlorophenyl)carbamoyl]- and 1-[(2-nitrophenyl)carbamoyl]naphthalen-2-yl alkylcarbamates show low photosynthesis-inhibiting activity in spinach chloroplasts, with the

Preparation and Photosynthesis-Inhibiting Activity of 1-[(2-Chlorophenyl)carbamoyl]naphthalen-2-yl N‑Alkylcarbamates

1-[(2-chlorophenyl)carbamoyl]naphthalen-2-yl N-alkylcarbamates show moderate photosynthesis-inhibiting activity, with the highest activity observed for 1-[(2-chlorophenyl)carbamoyl]na

Preparation and Photosynthesis-Inhibiting Activity of N -(n-Alkoxy)phenylamides of 2-Hydroxynaphthalene-1-carboxylic acid

N-alkoxy-substituted 2-hydroxynaphthalene-1-carboxanilides show moderate to strong inhibition of photosynthetic electron transport in spinach chloroplasts, with the highest inhibition observed for meta-substituted compounds.

Synthesis and Antimycobacterial and Photosynthesis-Inhibiting Evaluation of 2-[(E)-2-Substituted-ethenyl]-1,3-benzoxazoles

2-[(E)-2-substituted-ethenyl]-1,3-benzoxazoles show high antimycobacterial activity and inhibit photosynthetic electron transport in spinach chloroplasts, with the most active compound being ortho-substituted.

Antimycobacterial and Photosynthetic Electron Transport Inhibiting Activity of Ring-Substituted 4-Arylamino-7-Chloroquinolinium Chlorides

Ring-substituted 4-arylamino-7-chloroquinolinium chlorides show high antimycobacterial activity and photosynthetic electron transport inhibition in spinach chloroplasts, with low toxicity against human cells.