Michael Bartlett

Michael Bartlett
Scion · Forest Protection

PhD

About

18
Publications
664
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42
Citations
Introduction
Michael Bartlett currently works at Scion, in Rotorua NZ. Michael does research in Ecology and Evolutionary Biology. Their most recent publication is 'Sperm competition risk drives rapid ejaculate adjustments mediated by seminal fluid'.

Publications

Publications (18)
Article
Austropuccinia psidii, cause of myrtle rust, has spread globally where Myrtaceae occur. Multiple strains of A. psidii have been identified, including a unique strain found only in South Africa. The South African strain is a biosecurity concern for species of Myrtaceae worldwide. This is because preliminary testing of South African Myrtaceae suggest...
Data
Source data for boxplot (Figure 2a). This Excel file contains the Average Path Velocity (VAP) data collected for males in stage 1 of the experiment.
Data
Source data for correlation analysis. This Excel file contains the Average Path Velocity (VAP) and Curvilinear Velocity (VCL) data for all sperm samples collected in this study.
Data
Source data for Figure 7. This Excel file contains the calculated difference in the proportion of eggs sired by a focal male in each male x male x female combination across seminal fluid treatments (either unmanipulated milt or recombined ejaculates). It also contains the calculated difference in relative sperm velocity between competing males in e...
Data
Source data for GLMM models predicting the fertilisation success of male chinook salmon in sperm competition trials. This Excel file contains data on the diffence in the number of eggs sired between males in each sperm competition trial and the relative sperm velocity of those males. The data is presented in two tabs, the first for the unmanipulate...
Data
Source data for boxplot (Figure 2b). This Excel file contains the Average Path Velocity (VAP) data collected for males in stage 2 of the experiment.
Data
Source data for boxplot (Figure 3a). This Excel file contains the sperm concentration data collected for males in stage 1 of the experiment.
Data
Source data for Figure 5. This Excel file contains the sperm velocity data recorded for each males sperm after incubation in either their own seminal fluid or the seminal fluid of their rival. Differences in sperm velocity are calculated for sperm from different males incubated in their own seminal fluid and also for sperm from the same male incuba...
Data
Source data for GLMM models predicting the fertilisation success of male chinook salmon in sperm competition trials. This Excel file contains data on the proportion of eggs sired by each male and the social status of those males. The data is presented in two tabs, the first for the unmanipulated milt and the second for the recombined ejaculate semi...
Data
Source data for boxplot (Figure 3b). This Excel file contains the sperm concentration data collected for males in stage 2 of the experiment.
Data
Source data for Figure 4a. This Excel file contains the Average Path Velocity (VAP) data collected for males at both stages 1 and 2 of the experiment.
Data
Source data for Figure 4b. This Excel file contains the sperm concentration data collected for males at both stages 1 and 2 of the experiment.
Article
Full-text available
In many species, males can make rapid adjustments to ejaculate performance in response to sperm competition risk; however, the mechanisms behind these changes are not understood. Here, we manipulate male social status in an externally fertilising fish, chinook salmon (Oncorhynchus tshawytscha), and find that in less than 48 hr, males can upregulate...
Article
Full-text available
One of the primary reasons for the decline of some bumblebee species has been habitat loss and fragmentation through land use change. Habitat fragmentation can limit connectivity between populations and gene flow between bumblebee populations can be limited by open water and human altered landscapes, however the influence of landscape features on g...
Article
Full-text available
Members of the Candida rugosa species complex have been described as emerging fungal pathogens and are responsible for a growing number of Candida infections. In this communication we report the isolation of Candida rugosa and Candida mesorugosa in Ghana. To the best of our knowledge this is the first description of this species complex from a clin...

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