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Plasmodesmata

Plasmodesmata

(singular, plasmodesma)


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plasmodesm and gap junction

The answer I found is that plant cell walls are not permeable to big proteins (more than 30-60 kDa), so they must be passed by plasmodesmata (with 20-40 nm diameter). As a result, every plant cell needs plasmodesmata but animal cells haven't any barrier like cell walls for protein transportation. ...

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by mnatashgaran
Mon Apr 01, 2013 7:46 pm
 
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 1497

plasmodesm and gap junction

... plant cells) and gap juction (in animal cells) pass the micromolecules & ions and connect the cells to each other. Why do all plant cells have plasmodesmata but only some animal cells have gap junctions?

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by mnatashgaran
Sun Mar 31, 2013 7:42 pm
 
Forum: Cell Biology
Topic: plasmodesm and gap junction
Replies: 1
Views: 1497

Camellia japonica fungus

Thank you very much plasmodesmata! That's a big help. The camellias had to go, couldn't get rid of it and it was spreading. Now I see those same cankers on an elderly azalea. Hope I can save it, there's a whole row of those poor old ...

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by Wallyanna
Wed May 09, 2012 9:19 pm
 
Forum: Botany Discussion
Topic: Camellia japonica fungus
Replies: 2
Views: 1049

Apoplast, Symplast

... substances from entering the xylem. The symplast pathway is where water moves from cell to cell in the cytoplasm via the plasma membranes and plasmodesmata. Water moves along the root by osmosis down a water potential gradient (as water moves into one cell, this cell then has a higher water ...

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by magicsiew
Thu Jun 30, 2011 7:19 am
 
Forum: Cell Biology
Topic: Apoplast, Symplast
Replies: 1
Views: 8303

Apoplast, Symplast

... Like for minerals, what path do they use? Do they use both equally? Do hormones or antibodies travel these paths or they simply pass through the plasmodesmata? Thank you!

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by Adz795
Tue May 24, 2011 5:41 pm
 
Forum: Cell Biology
Topic: Apoplast, Symplast
Replies: 1
Views: 8303
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