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Table 6 Comparison of transcript levels between barley and maize CEL gene orthologues

From: Endo-(1,4)-β-Glucanase gene families in the grasses: temporal and spatial Co-transcription of orthologous genes1

Barley orthologue

Barley tissue series

Barley stem series

Sub-family

Maize MPSS

Maize stem series

Maize orthologue

HvCEL1

mostly vegetative tissues

elevated all tissues, peak in mature zone of elongating internode

GH9A

all tissues except ovary, pollen and tassel

high all stem tissues

ZmCEL14

HvCEL3

most tissues, not embryo

elevated all tissues, peak in mature zone of elongating internode

GH9B clade B1

high, all tissues except pollen

all vascular bundle tissues

ZmCEL11

HvCEL5

high transcript levels in all tissues

high in all stem tissues, peak early elongating internode and mature zone elongating

GH9A

high most tissues except ovary and pollen

elongating internode tissues

ZmCEL12

HvCEL10

vegetative tissues only

elevated early elongating internode and mature zone elongating internode

GH9B clade B3

all tissues except ovary, embryo, endosperm, pollen

vascular bundles and all elongating tissues

ZmCEL3

HvCEL14

vegetative tissues only

elevated mature zone of elongating internode

GH9B clade B3

vegetative tissues only

not analysed

ZmCEL25/26

HvCE6

floral tissues and developing grain, low root tip

early elongating internode and post flowering

GH9A

meristem and ovary, also low vegetative, embryo, endosperm

low mature zone elongating vascular bundles

ZmCEL7

  1. On the left is a summary of transcript in the tissue developmental series and the stem series for selected barley genes, which are compared with orthologous maize genes on the right of the table showing transcript from MPSS data and a maize stem series.