Table 2 Taxonomic affinity, read abundance and occurrences of the 20 most abundant operational taxonomic units (OTUs) detected from date palm roots under different irrigation source (saline vs non-saline water).

From: Salinity of irrigation water selects distinct bacterial communities associated with date palm (Phoenix dactylifera L.) root

OTU ID

Genus (Phylum)**

Overall

Non-saline

Saline

Reads (%)

Occurances (%)*

Reads (%)

Occurances (%)#

Reads (%)

Occurances (%)$

OTU_3

Mycobacterium (A)

3.5

100.0

2.9

94.1

6.1

100.0

OTU_6

Unidentified (A)

2.6

96.9

3.5

88.2

2.7

100.0

OTU_10

Streptomyces (A)

2.1

93.8

3.2

100.0

1.7

81.3

OTU_13

Rhizobium (P)

2.0

100.0

2.4

100.0

2.3

93.8

OTU_28

Micromonospora (A)

1.9

84.4

1.6

94.1

3.2

68.8

OTU_143

Streptomyces (A)

1.8

78.1

3.4

82.4

0.4

68.8

OTU_4

Unidentified (F)

1.7

90.6

1.7

94.1

2.5

81.3

OTU_21

Pedomicrobium (P)

1.6

103.1

2.0

100.0

1.9

100.0

OTU_9

Bacillus (F)

1.6

78.1

2.7

76.5

0.8

75.0

OTU_15

Bacillus (F)

1.3

78.1

1.1

70.6

2.3

81.3

OTU_7

Actinoplanes (A)

1.2

65.6

0.5

70.6

2.6

56.3

OTU_16

Virgisporangium (A)

1.0

93.8

0.6

94.1

2.1

87.5

OTU_12

Lechevalieria (A)

1.0

59.4

0.6

64.7

2.1

50.0

OTU_8

Actinoplanes (A)

0.9

56.3

1.4

47.1

0.7

62.5

OTU_23

Bacillus (F)

1.0

84.4

1.1

82.4

1.2

81.3

OTU_84

Unidentified (F)

0.9

93.8

0.9

94.1

1.4

87.5

OTU_36

Unidentified (P)

0.9

100.0

1.1

94.1

1.0

100.0

OTU_24

Unidentified (P)

0.9

100.0

1.3

100.0

0.7

93.8

OTU_38

Steroidobacter (P)

0.8

84.4

0.8

70.6

1.4

93.8

OTU_25

Devosia (P)

0.8

84.4

1.2

82.4

0.6

81.3

  1. Total reads (%) and occurrences among samples were calculated for overall database, non-saline sample and saline samples subset.
  2. **Abbreviation (A), (P) and (F) represent bacterial phyla Actinobacteria, Proteobacteria and Firmicutes, respectively.
  3. *Occurrence (%) calculated from total 33 samples.
  4. #Occurrence (%) calculated from total 17 non-saline samples.
  5. $Occurrence (%) calculated from total 16 saline samples.