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Table 2 Distribution of nifH-positive representative bacterial taxa in the leaf, stem and root of Jatropha germplasm accessions

From: Leaf-residing Methylobacterium species fix nitrogen and promote biomass and seed production in Jatropha curcas

Phylogenetic group

Genera (21)

Number of isolates

AR-activity positivea

AR-activity negativeb

Leaf

Stem

Root

Leaf

Stem

Root

Actinobacteria

Cellulomonas

 

1

    
 

Curtobacterium

10

35

1

   
 

Microbacterium

   

16

21

4

 

Micromonospora

 

1

2

   
 

Mycobacterium

    

1

5

Bacteroidetes

Chryseobacterium

 

1

1

   

Firmicutes

Paenibacillus

  

3

   

α-Proteobacteria

Bradyrhizobium

     

1

 

Ensifer

  

1

  

13

 

Herbaspirillum

  

1

   
 

Mesorhizobium

    

3

 
 

Methylobacterium

63

21

2

30

7

 
 

Pleomorphomonas

  

1

   
 

Rhizobium

  

2

2

14

52

 

Sphingomonas

15

16

 

12

16

4

β-Proteobacteria

Achromobacter

     

11

 

Burkholderia

  

4

  

1

γ-Proteobacteria

Klebsiella

  

1

   
 

Kosakonia

1

 

8

 

1

 
 

Enterobacter

 

1

8

  

4

 

Pantoea

4

12

33

11

2

 
 

Pseudomonas

6

16

104

1

8

39

 

Stenotrophomonas

  

5

   
  1. aNumber of positive isolates showing ethylene peak was measured by GC
  2. bNumber of isolates failed to produce ethylene peak or undetectable quantity
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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