Bacterial strains of the genus Pseudoalteromonas,which includes 48 species,are widely distributed in various ocean environments.Many strains are often abundant and the highest protease producer among marine culturable...Bacterial strains of the genus Pseudoalteromonas,which includes 48 species,are widely distributed in various ocean environments.Many strains are often abundant and the highest protease producer among marine culturable protease-secreting bacteria,suggesting their important role in marine organic nitrogen degradation and cycling.The extracellular proteases of Pseudoalteromonas are diverse,including serine proteases,metalloproteases,and cystine proteases.Pseudoalteromonas proteases have unique properties,such as cold adaptation,salt tolerance,distinct substrate specificity,and catalytic mechanism.They play important ecological roles in marine organic nitrogen degradation and in the interactions of Pseudoalteromonas with other organisms.Some Pseudoalteromonas proteases have shown promising application potentials in bioactive peptide preparation and meat processing.In this review,advances in our knowledge of Pseudoalteromonas proteases are introduced,with a focus on diversity,characters,ecological significance,and application potentials.展开更多
Aquatic C02 assimilation results in storage in the oceans of〜24%of anthropogenic C02(〜40 petagrams per annum)released into the atmosphere and makes significant contributions to the global carbon cycle.These processes ...Aquatic C02 assimilation results in storage in the oceans of〜24%of anthropogenic C02(〜40 petagrams per annum)released into the atmosphere and makes significant contributions to the global carbon cycle.These processes are executed predominantly in phytoplankton in the oceans(including cyanobacteria),which account for nearly 50%of global primary productivity(~50 gigatons per annum)(Field et al.,1998).展开更多
基金This work was supported by grants from the National Key R&D Program of China(2018YFC0310704.2018YFC1406703,2018YFC1406706)the National Natural Science Foundation of China(31670038,31870052 and U1706207)+2 种基金the AoShan Talents Cultivation Program Supported by Qingdao National Laboratory for Marine Science and Technology(2017ASTCP-OS14)the Program of Shandong for Taishan Scholars(tspd20181203)the Major Scientific and Technological Innovation Project(MSTIP)of Shandong Province(2019JZZY010817).
文摘Bacterial strains of the genus Pseudoalteromonas,which includes 48 species,are widely distributed in various ocean environments.Many strains are often abundant and the highest protease producer among marine culturable protease-secreting bacteria,suggesting their important role in marine organic nitrogen degradation and cycling.The extracellular proteases of Pseudoalteromonas are diverse,including serine proteases,metalloproteases,and cystine proteases.Pseudoalteromonas proteases have unique properties,such as cold adaptation,salt tolerance,distinct substrate specificity,and catalytic mechanism.They play important ecological roles in marine organic nitrogen degradation and in the interactions of Pseudoalteromonas with other organisms.Some Pseudoalteromonas proteases have shown promising application potentials in bioactive peptide preparation and meat processing.In this review,advances in our knowledge of Pseudoalteromonas proteases are introduced,with a focus on diversity,characters,ecological significance,and application potentials.
基金This project is supported by the Royal Society to L.-N.L.(UF120411,URRR\180030,NARR1X180433,RGREAX181061,RGREAN180233)the Biotechnology and Biological Sciences Research Council to L.-N.L.(BB/R003890/1,BB/M024202/1)+1 种基金the Leverhulme Trust Early Career Fellowship to F.H.(ECF-2016-778)the Overseas Doctoral Training Program and Graduate Mentor Visiting Program of Shandong Province to N.S.,and the National Natural Science Research Foundation of China to N.S.(31871538,U1906204).
文摘Aquatic C02 assimilation results in storage in the oceans of〜24%of anthropogenic C02(〜40 petagrams per annum)released into the atmosphere and makes significant contributions to the global carbon cycle.These processes are executed predominantly in phytoplankton in the oceans(including cyanobacteria),which account for nearly 50%of global primary productivity(~50 gigatons per annum)(Field et al.,1998).