Not all lipids in xylem conduits are artefacts. A reply to Yamagishi et al
2021
Jansen, Steven | Schenk, H Jochen
The paper by Yamagishi et al. (2021) represents an interesting study on the distribution and formation of incrustations on intervessel pit membranes in angiosperm wood, which have been reported in a wide range of species. The authors present clear and convincing evidence that the incrustations or coatings on pit membranes represent neutral lipids such as triacylglycerols, and are formed during dehydration of wood samples either as an artifact of drying or possibly as a process that could also occur in non-functional conduits of living plants. We are excited to see that lipids in xylem conduits were examined in detail by the authors and that novel methods such as time-of-flight secondary ion mass spectrometry were applied. We also hope that these authors or other research groups will follow up on the findings in future work.
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