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Search term: companion cell
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EC Number
Recommended Name
Source Tissue
Commentary
Reference
4.1.1.49
phosphoenolpyruvate carboxykinase (ATP)
companion cell
the enzyme is present in the companion cells of the adaxial phloem of minor veins, the internal and external phloem of vascular bundles in petioles and stems, the phloem in roots and the eextra-fascicular phloem in leaves, cotyledons, petioles and stems
663186
2.7.9.4
alpha-glucan, water dikinase
companion cell
phloem, high expression just before onset of senescence (promoter activity)
693408
7.3.2.4
ABC-type nitrate transporter
companion cell
NRT1.9 is a transporter expressed in the companion cells of root phloem
720682
7.3.2.4
ABC-type nitrate transporter
companion cell
NRT1.9 is expressed in the companion cells of the phloem
721094
1.4.1.2
glutamate dehydrogenase
companion cell
all GDH genes are expressed in the mitochondria of the root companion cells
726164
1.4.1.2
glutamate dehydrogenase
companion cell
-
726245
2.4.1.13
sucrose synthase
companion cell
-
736966
7.1.3.1
H+-exporting diphosphatase
companion cell
-
748977
2.4.1.13
sucrose synthase
companion cell
isoform SuSy1 is expressed exclusively in phloem companion cells
757335
2.4.1.13
sucrose synthase
companion cell
isoform SuSy4 is expressed exclusively in phloem companion cells
757335
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