Changes

On October 22, 2024, 5:27:47 PM UTC, ckan_admin:

Updated description of Influence of Irradiance and Temperature on the Virus MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris - Data from
Arctic marine ecosystems are currently undergoing rapid changes in temperature and light availability. Picophytoplankton, such as Micromonas polaris, are predicted to benefit from such changes. However, little is known about how these environmental changes affect the viruses that exert a strong mortality pressure on these small but omnipresent algae. Here we report on one-step infection experiments, combined with measurements of host physiology and viability, with 2 strains of M. polaris and the virus MpoV-45T under 3 light intensities (5, 60 and 160 μmol quanta m−2 s−1), 2 light period regimes (16:8 and 24:0 h light:dark cycle) and 2 temperatures (3 and 7°C). Our results show that low light intensity (16:8 h light:dark) delayed the decline in photosynthetic efficiency and cell lysis, while decreasing burst size by 46%. In contrast, continuous light (24:0 h light:dark) shortened the latent period by 5 h for all light intensities, and even increased the maximum virus production rate and burst size under low light (by 157 and 69%, respectively). Higher temperature (7°C vs 3°C) led to earlier cell lysis and increased burst size (by 19%), except for the low light conditions. These findings demonstrate the ecological importance of light in combination with temperature as a controlling factor for Arctic phytoplankton host and virus dynamics seasonally, even more so in the light of global warming.
to
abstract

Changed the source URL of Influence of Irradiance and Temperature on the Virus MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris - Data from https://dataportal.nioz.nl/doi/10.33591/nioz/7b.b.cf to https://dataportal.nioz.nl/doi/10.25850/nioz/7b.b.cf

Changed the version of Influence of Irradiance and Temperature on the Virus MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris - Data to 1 (previously 2)

Changed value of field dataset_persistent_id to DOI:10.25850/nioz/7b.b.cf in Influence of Irradiance and Temperature on the Virus MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris - Data

              
    
          
          
        
        
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            37 changes in temperature and light availability. Picophytoplankton, such  
            38 as Micromonas polaris, are predicted to benefit from such changes.  
            39 However, little is known about how these environmental changes affect  
            40 the viruses that exert a strong mortality pressure on these small but  
            41 omnipresent algae. Here we report on one-step infection experiments,  
            42 combined with measurements of host physiology and viability, with 2  
            43 strains of M. polaris and the virus MpoV-45T under 3 light intensities  
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            45 regimes (16:8 and 24:0 h light:dark cycle) and 2 temperatures (3 and  
            46 7\u00b0C). Our results show that low light intensity (16:8 h  
            47 light:dark) delayed the decline in photosynthetic efficiency and cell  
            48 lysis, while decreasing burst size by 46%. In contrast, continuous  
            49 light (24:0 h light:dark) shortened the latent period by 5 h for all  
            50 light intensities, and even increased the maximum virus production  
            51 rate and burst size under low light (by 157 and 69%, respectively).  
            52 Higher temperature (7\u00b0C vs 3\u00b0C) led to earlier cell lysis  
            53 and increased burst size (by 19%), except for the low light  
            54 conditions. These findings demonstrate the ecological importance of  
            55 light in combination with temperature as a controlling factor for  
            56 Arctic phytoplankton host and virus dynamics seasonally, even more so  
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            127     { 106     {
            128       "display_name": "Flow cytometry experimental Arctic algal  107       "display_name": "Flow cytometry experimental Arctic algal 
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            138 MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris -  117 MpoV-45T Infecting the Arctic Picophytoplankter Micromonas polaris - 
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