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Table 2 Differential expressed transcripts between P. bellina (scent) and P. equestris (scentless) species in the floral cDNA libraries.

From: Comparison of transcripts in Phalaenopsis bellina and Phalaenopsis equestris(Orchidaceae) flowers to deduce monoterpene biosynthesis pathway

Putative functions

Abundance in floral dbESTs

Enrichment factorc

 

P. bellina(%)a

P. equestris(%)b

 

Geranyl diphosphate synthase

0.30

0.02

16.6

Epimerase/dehydratase

1.61

0.16

10.0

Lipoxygenase

2.12

0.21

9.9

Diacylglycerol kinase

0.34

0.04

9.5

Expansin

0.68

0.16

4.2

Peroxidase

1.36

0.39

3.5

Elongation factor

1.19

0.37

3.2

O-methyltransferase

0.78

0.30

2.6

Cytochrome P450

0.97

0.48

2.0

Heat shock protein

1.10

0.66

1.7

Class I chitinase

0.38

0.27

1.4

Molybdopterin biosynthesis cofactors

0.20

0.0

NDd

  1. aNumber of EST divided by 2359 ESTs of P. bellina floral dbESTs.
  2. bNumber of EST divided by 5593 ESTs of P. equestris floral dbESTs.
  3. cProportion (%) of ESTs in P. bellina an P. equestris floral bud libraries and the enrichment factor in the scent floral bud library (proportion of P. bellina flower).
  4. dND: undetermined
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BMC Plant Biology

ISSN: 1471-2229

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