1989
DOI: 10.1111/j.1399-3054.1989.tb05782.x
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Asparagine and regulation of photoinduced rhythm in Penicillium claviforme

Abstract: S, 1989, Asparagine and regulation of photoinduced rhythm in Penicillium claviforme. Plant, A photosensitive reaction involved in the expression and regulation of the endogenous sporulation rhythm in Penicillium claviforme Bainier CBS 126-23 has been described earlier by our team. The present work shows that asparagine plays a central role in this periodic system. The 24-26 h periodicity, which becomes desynchronized over a few days, was affected by supplying asparagine (1 to 25 mM), a) The rhythm remained… Show more

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“…It appears that, in P. claviforme, the constant irradiation level (between 3 to 3 000 mW m" 2 ) in continuous light conditions is necessary to elicit the transaminase rhythms (the present assays) and the sporulation rhythm (Jerebzoff and Piskorz-Binczycka 1987;Piskorz-Binczycka et al 1989) as well as to obtain a stable period close to 24 h in the two cases. These results support the idea that the sporulation rhythm in P. claviforme could be dependent on the operating of a metabolic network which includes the aspartate and alanine aminotransferases as is the case with L. michotii (Jerebzoff and Jerebzoff-Quintin 1993).…”
Section: Resultsmentioning
confidence: 92%
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“…It appears that, in P. claviforme, the constant irradiation level (between 3 to 3 000 mW m" 2 ) in continuous light conditions is necessary to elicit the transaminase rhythms (the present assays) and the sporulation rhythm (Jerebzoff and Piskorz-Binczycka 1987;Piskorz-Binczycka et al 1989) as well as to obtain a stable period close to 24 h in the two cases. These results support the idea that the sporulation rhythm in P. claviforme could be dependent on the operating of a metabolic network which includes the aspartate and alanine aminotransferases as is the case with L. michotii (Jerebzoff and Jerebzoff-Quintin 1993).…”
Section: Resultsmentioning
confidence: 92%
“…Asparagine was identified as a factor controlling the synchronization and the period stability of the sporulation rhythm in P. claviforme (Piskorz-Binczycka et al 1989). Analyses of its role on the transaminase rhythm regulation, as well as the participation of asparaginase in the oscillating system of P. claviforme, are now in progress.…”
Section: Resultsmentioning
confidence: 98%
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