They have no cytoplasm. Their walls contain lignin for strengthening. Type of cell Phloem cell Function They transport sugars, amino acids, other substances both up and down the stem to leaves ...

Specialised plant cells Discover the different types of cells found in plants, and what each one does. Learn about xylem cells, phloem cells, root hair cells and more. The four components of the ...

this maturation involves a change in cell identity from phloem parenchyma to barrier cell types. The study reveals that PLETHORA 5, a transcription factor activated by auxin signalling in the ...