A polysaccharide found in the cell walls of land plants has now been found outside the cell. This chemical, Xyloglucan, could be one of clues as to how plants moved onto land.
Tag - xyloglucan
Alun Salt
Dynamic mechanical tissue in the fern Asplenium rutifolium
The collenchymatous tissue in A. rutifolium petioles structurally resembles sclerenchyma, while in biomechanical performance and glycan composition it shares more characteristics with angiosperm collenchyma.
botanyone
Creative Destruction: How Death Leads to Function
Marcos Buckeridge explains how death and destruction in sugarcane roots can lead to the development of gas spaces, which improve root function.
Guest Author
A fresh look at guard cell walls
Arguably, one of the best known ‘structure-function’ relationships in plant biology is the role played by cellulose microfibrils within the walls of the guard cells in stomatal opening. Stomata* are the controllable...
Nigel Chaffey
Hemicellulose evolution in monilophytes (Research in Context)
The Equisetopsida emerged in the Upper Devonian (>370 mya), and Equisetum (horsetails) may be the oldest surviving vascular plant genus. Horsetails and the Poales are the only plants possessing the hemicellulose (1...
