Effect of heat shock on protein synthesis in the cyanobacterium Synechococcus sp. Strain PCC 6301

G. Borbély, G. Suranyi, A. Korcz, Z. Palfi

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Abstract

The response to heat shock at 47°C was examined in the cyanobacterium (blue-green alga) Synechococcus sp. strain PCC 6301. On heat shock, the growth of the cells decreased and they preferentially synthesized a limited number of polypeptides. The rate of synthesis of these proteins increased markedly in the early period of temperature shift up and gradually decreased afterwards. Among the proteins greatly affected by temperature shift up were those with apparent molecular weights of 91,000 (91K), 79K, 78K, 74K, 65K, 64K, 61K, 49K, 45K, 24K, 22K, 18K, 16K, 14K, 12K, and 11.4K, based on their mobilities in sodium dodecyl sulfate-polyacrylamide gels. From these initial studies on Synechococcus sp. strain PCC 6301 we conclude that in cyanobacteria a heat shock response similar to that known to occur in other eucaryotes and procaryotes might exist.

Original languageEnglish
Pages (from-to)1125-1130
Number of pages6
JournalJournal of Bacteriology
Volume161
Issue number3
Publication statusPublished - 1985

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Synechococcus
Cyanobacteria
Heat-Shock Proteins
Heat-Shock Response
Temperature
Sodium Dodecyl Sulfate
Shock
Proteins
Hot Temperature
Molecular Weight
Peptides
Growth

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Immunology

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Effect of heat shock on protein synthesis in the cyanobacterium Synechococcus sp. Strain PCC 6301. / Borbély, G.; Suranyi, G.; Korcz, A.; Palfi, Z.

In: Journal of Bacteriology, Vol. 161, No. 3, 1985, p. 1125-1130.

Research output: Contribution to journalArticle

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N2 - The response to heat shock at 47°C was examined in the cyanobacterium (blue-green alga) Synechococcus sp. strain PCC 6301. On heat shock, the growth of the cells decreased and they preferentially synthesized a limited number of polypeptides. The rate of synthesis of these proteins increased markedly in the early period of temperature shift up and gradually decreased afterwards. Among the proteins greatly affected by temperature shift up were those with apparent molecular weights of 91,000 (91K), 79K, 78K, 74K, 65K, 64K, 61K, 49K, 45K, 24K, 22K, 18K, 16K, 14K, 12K, and 11.4K, based on their mobilities in sodium dodecyl sulfate-polyacrylamide gels. From these initial studies on Synechococcus sp. strain PCC 6301 we conclude that in cyanobacteria a heat shock response similar to that known to occur in other eucaryotes and procaryotes might exist.

AB - The response to heat shock at 47°C was examined in the cyanobacterium (blue-green alga) Synechococcus sp. strain PCC 6301. On heat shock, the growth of the cells decreased and they preferentially synthesized a limited number of polypeptides. The rate of synthesis of these proteins increased markedly in the early period of temperature shift up and gradually decreased afterwards. Among the proteins greatly affected by temperature shift up were those with apparent molecular weights of 91,000 (91K), 79K, 78K, 74K, 65K, 64K, 61K, 49K, 45K, 24K, 22K, 18K, 16K, 14K, 12K, and 11.4K, based on their mobilities in sodium dodecyl sulfate-polyacrylamide gels. From these initial studies on Synechococcus sp. strain PCC 6301 we conclude that in cyanobacteria a heat shock response similar to that known to occur in other eucaryotes and procaryotes might exist.

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