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https://www.selleckchem.com/products/gambogic-acid.html Cyanobacteria can grow photoautotrophically, producing a range of substances by absorbing sunlight and utilizing carbon dioxide, and can potentially be used as industrial microbes that have minimal sugar requirements. To evaluate this potential, we explored the possibility of l-glutamate production using the Synechocystis sp. PCC6803. The ybjL gene encoding the putative l-glutamate exporter from Escherichia coli was introduced, and l-glutamate production reached 2.3 g/L in 143 h (34°C, 100 μmol m-2 s-1). Then, we attempted to produce two flavor substances, (S)-linalool, a monoterpene alcohol, and the sesquiterpene (+)-valencene. The Synechocystis sp. PCC6803 strain in which the linalool synthase gene (LINS) from Actinidia arguta (AaLINS) was expressed under control of the tac promoter (GT0846K-Ptac-AaLINS) produced 11.4 mg/L (S)-linalool in 160 h (30°C, 50 μmol m-2 s-1). The strain in which AaLINS2 and the mutated farnesyl diphosphate synthase gene ispA∗ (S80F) from E. coli (GT0846K-PpsbA2-AaLINS-ispA∗) were expressed from the PpsbA2 promoter accumulated 11.6 mg/L (S)-linalool in 160 h. Genome analysis revealed that both strains had mutations in slr1270, suggesting that loss of Slr1270 function was necessary for high linalool accumulation. For sesquiterpene production, the valencene synthase gene from Callitropsis nootkatensis and the fernesyl diphosphate synthase (ispA) gene from E. coli were introduced, and the resultant strain produced 9.6 mg/L of (+)-valencene in 166 h (30°C, 50 μmol m-2 s-1). This study highlights the production efficiency of engineered cyanobacteria, providing insight into potential industrial applications.With increased awareness among consumers regarding food safety and security, food allergen control has become an indispensable requirement in the food industry. Although several methods for detecting allergens in food products are available, highly sensitive techniques are required. In

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