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A Plasmodium plasma membrane reporter reveals membrane dynamics by live-cell microscopy.


ABSTRACT: During asexual replication within the Anopheles mosquito and their vertebrate host, Plasmodium parasites depend on the generation of a massive amount of new plasma membrane to produce thousands of daughter parasites. How the parasite plasma membrane (PPM) is formed has mostly been studied by electron microscopy, which does not allow an insight into the dynamics of this process. We generated a Plasmodium berghei reporter parasite line by GFP-tagging of a non-essential PPM-localized protein, and followed plasma membrane development in living parasites through the entire Plasmodium life cycle. By generating double-fluorescent parasites in which the PPM is visualized in combination with the parasite endoplasmic reticulum, we show that membrane contact sites are formed between both membrane systems during oocyst and liver stage development that might be used to deliver lipids to the dramatically expanding PPM. In conclusion, we have established a powerful tool to follow PPM development in living parasites, which promises to greatly expand our knowledge of membrane biology in the Plasmodium parasite.

SUBMITTER: Burda PC 

PROVIDER: S-EPMC5575152 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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A Plasmodium plasma membrane reporter reveals membrane dynamics by live-cell microscopy.

Burda Paul-Christian PC   Schaffner Marco M   Kaiser Gesine G   Roques Magali M   Zuber Benoît B   Heussler Volker T VT  

Scientific reports 20170829 1


During asexual replication within the Anopheles mosquito and their vertebrate host, Plasmodium parasites depend on the generation of a massive amount of new plasma membrane to produce thousands of daughter parasites. How the parasite plasma membrane (PPM) is formed has mostly been studied by electron microscopy, which does not allow an insight into the dynamics of this process. We generated a Plasmodium berghei reporter parasite line by GFP-tagging of a non-essential PPM-localized protein, and f  ...[more]

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