skeletal structures
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2021 ◽  
Vol 256 ◽  
pp. 106638
Author(s):  
Azam Khan ◽  
Irshad Ahmad ◽  
Wajid Khan ◽  
Niaz Bahadur Khan ◽  
Muhammad Aslam

2021 ◽  
Author(s):  
Rowan Mclachlan ◽  
Ashruti Patel ◽  
Andrea G Grottoli

Coral morphology is influenced by genetics, the environment, or the interaction of both, and thus is highly variable. This protocol outlines a non-destructive and relatively simple method for measuring Scleractinian coral sub-corallite skeletal structures (such as the septa length, theca thickness, and corallite diameter, etc.) using digital images produced as a result of digital microscopy or from scanning electron microscopy. This method uses X and Y coordinates of points placed onto photomicrographs to automatically calculate the length and/or diameter of a variety of sub-corallite skeletal structures in the Scleractinian coral Porites lobata. However, this protocol can be easily adapted for other coral species - the only difference may be the specific skeletal structures that are measured (for example, not all coral species have a pronounced columella or pali, or even circular corallites). This protocol is adapted from the methods described in Forsman et al. (2015) & Tisthammer et al. (2018). There are 4 steps to this protocol: 1) Removal of Organic Tissue from Coral Skeletons 2) Imaging of Coral Skeletons 3) Photomicrograph Image Analysis 4) Calculation of Corallite Microstructure Size This protocol was written by Dr. Rowan McLachlan and was reviewed by Ashruti Patel and Dr. Andréa Grottoli. Acknowledgments Leica DMS 1000 and Scanning Electron Microscopy photomicrographs used in this protocol were acquired at the Subsurface Energy Materials Characterization and Analysis Laboratory (SEMCAL), School of Earth Sciences at The Ohio State University, Ohio, USA. I would like to thank Dr. Julie Sheets, Dr. Sue Welch, and Dr. David Cole for training me on the use of these instruments.


2021 ◽  
Vol 70 ◽  
pp. 102020
Author(s):  
Zhiyuan Liu ◽  
Junpyo Hong ◽  
Jared Vicory ◽  
James N. Damon ◽  
Stephen M. Pizer
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Cell ◽  
2021 ◽  
Vol 184 (4) ◽  
pp. 899-911.e13 ◽  
Author(s):  
M. Brent Hawkins ◽  
Katrin Henke ◽  
Matthew P. Harris

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