Markus Friedrich

Markus Friedrich

Feb 25, 2023

Group 6 Copy 868
2

Cave beetle clock paper published!

Hello there dear friends of the cave beetle!

It's been a loooooooong time. A WAY too long time. So I hope this is reaching you well. And that you understand by now that cave beetle research takes time. Especially with a pandemic in between. And with an experienced investigator like me who perfected his skills to find excuses for not finishing a manuscript. That's right. That's me. But over time, guilt takes over again. And I give it another push. Like last year on the circadian clock data that Sonya and a previous highly accomplished lab member, Jasmina Kulacic, had collected. The result of this was actually a result. The manuscript was finished, submitted, reviewed, and accepted for publication two weeks ago in one of my favorite journals: Subterranean Biology. They did a great job processing the manuscript quickly and publishing it open access at very reasonable costs.

In the actual study, we found "Evidence of ancestral nocturnality, locomotor clock regression, and cave zone-adjusted sleep duration modes in a cave beetle". No wonder this became the title. The actual cave beetle, of course, is our good old P. hirtus. If you are in for more details, this is the place to go to: https://subtbiol.pensoft.net/article/100717/.

I am very much looking forward to your comments.

I would like to close this post by thanking the many people that have been helping along the way besides you, the cave beetle support crowd: Kurt Helf, Rickard Toomey, Rick Olson, Patricia Kambesis, and the Cave Research Foundation of Mammoth Cave for their expert support, hospitality, and accommodation. Justin Blau for early guidance and assistance with circadian rhythm analysis. Kristin Teßmar-Raible and Stephen Ferguson for feedback on manuscript ideas. And last but not least, the one and only venerable Stewart Peck, and two anonymous reviewers for their thorough comments on the manuscript. Thank you!

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About This Project

My undergraduate student Sonya Royzenblat and I will track the well being of the cave beetle Ptomaphagus hirtus at different ambient temperatures to determine the temperature range at which this species can be cultured most efficiently. Besides boosting our studies of its enigmatic visual system in the lab, this insight will help to understand its dispersal limits in the cave environment, and to predict possible changes in response to global warming.

Blast off!

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