Rice Science ›› 2024, Vol. 31 ›› Issue (2): 134-138.DOI: 10.1016/j.rsci.2023.12.001
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Komal A. Chandarana, Natarajan Amaresan()
Received:
2023-07-11
Accepted:
2023-11-17
Online:
2024-03-28
Published:
2024-04-11
Contact:
Natarajan AMARESAN (na.amaresan@gmail.com)
Komal A. Chandarana, Natarajan Amaresan. Protist and Plant Growth-Promoting Bacterium Interaction Alters GH3-2 Expression and Enhances Nutrient Content in Rice[J]. Rice Science, 2024, 31(2): 134-138.
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Treatment | Root length (cm) | Shoot length (cm) | Fresh root weight (g) | Fresh shoot weight (g) | Dry root weight (g) |
---|---|---|---|---|---|
Control | 7.00 ± 0.15 c | 15.51 ± 0.40 c | 0.18 ± 0.02 b | 0.25 ± 0.02 a | 0.030 ± 0.010 c |
Pr | 9.98 ± 0.35 b | 17.83 ± 0.17 c | 0.17 ± 0.05 b | 0.25 ± 0.02 a | 0.060 ± 0.000 ab |
A9Pr | 11.44 ± 0.55 ab | 21.13 ± 1.04 b | 0.31 ± 0.02 a | 0.29 ± 0.05 a | 0.077 ± 0.003 a |
C2Pr | 12.44 ± 0.52 a | 24.13 ± 0.55 a | 0.25 ± 0.02 a | 0.34 ± 0.01 a | 0.053 ± 0.017 ab |
C5Pr | 11.45 ± 0.23 ab | 22.07 ± 0.72 ab | 0.25 ± 0.01 ab | 0.30 ± 0.02 a | 0.050 ± 0.012 ab |
C12Pr | 10.75 ± 0.32 ab | 16.65 ± 0.36 c | 0.36 ± 0.02 a | 0.37 ± 0.03 a | 0.047 ± 0.007 ab |
Control | 7.00 ± 0.15 d | 15.51 ± 0.40 c | 0.18 ± 0.02 e | 0.25 ± 0.02 d | 0.030 ± 0.010 c |
St | 8.74 ± 0.73 cd | 17.87 ± 0.35 c | 0.42 ± 0.01 abc | 0.26 ± 0.01 d | 0.033 ± 0.003 c |
A9St | 11.97 ± 0.68 ab | 22.71 ± 1.52 b | 0.29 ± 0.05 d | 0.50 ± 0.03 bc | 0.040 ± 0.000 b |
A34St | 10.29 ± 0.01 bc | 17.33 ± 1.04 c | 0.39 ± 0.02 bcd | 0.66 ± 0.02 a | 0.063 ± 0.012 abc |
C1St | 11.43 ± 0.02 ab | 22.43 ± 0.64 b | 0.33 ± 0.01 cd | 0.45 ± 0.04 c | 0.077 ± 0.009 a |
C2St | 11.20 ± 0.52 ab | 18.33 ± 0.53 c | 0.33 ± 0.02 cd | 0.48 ± 0.01 bc | 0.070 ± 0.006 ab |
C5St | 10.61 ± 0.07 bc | 22.29 ± 0.57 b | 0.48 ± 0.01 ab | 0.53 ± 0.03 bc | 0.053 ± 0.003 abc |
C12St | 13.20 ± 0.31 a | 27.87 ± 0.29 a | 0.51 ± 0.01 a | 0.58 ± 0.00 ab | 0.073 ± 0.003 ab |
Control | 7.00 ± 0.15 c | 15.51 ± 0.40 c | 0.18 ± 0.02 c | 0.25 ± 0.02 a | 0.030 ± 0.010 ab |
Mo | 9.34 ± 0.19 b | 17.57 ± 1.08 abc | 0.23 ± 0.03 bc | 0.40 ± 0.01 a | 0.027 ± 0.003 b |
A9Mo | 10.05 ± 0.18 b | 17.48 ± 1.24 bc | 0.31 ± 0.03 ab | 0.44 ± 0.06 a | 0.033 ± 0.003 ab |
A34Mo | 12.47 ± 0.61 a | 20.75 ± 1.03 ab | 0.31 ± 0.02 ab | 0.30 ± 0.01 a | 0.047 ± 0.003 a |
C1Mo | 10.20 ± 0.01 b | 19.56 ± 0.67 abc | 0.23 ± 0.01 bc | 0.26 ± 0.02 a | 0.030 ± 0.015 ab |
C2Mo | 10.62 ± 0.39 b | 20.95 ± 0.60 ab | 0.17 ± 0.01 c | 0.43 ± 0.01 a | 0.033 ± 0.009 ab |
C5Mo | 10.63 ± 0.32 b | 21.65 ± 0.56 a | 0.36 ± 0.04 a | 0.47 ± 0.04 a | 0.037 ± 0.012 ab |
Control | 7.00 ± 0.15 d | 15.51 ± 0.40 c | 0.18 ± 0.02 d | 0.25 ± 0.02 c | 0.030 ± 0.010 ab |
Lb | 8.83 ± 0.79 cd | 18.55 ± 0.73 b | 0.25 ± 0.04 bc | 0.32 ± 0.04 bc | 0.025 ± 0.001 ab |
A9Lb | 12.23 ± 0.32 ab | 27.33 ± 0.96 a | 0.29 ± 0.05 bc | 0.52 ± 0.03 a | 0.023 ± 0.001 b |
A34Lb | 11.30 ± 0.21 ab | 26.53 ± 0.65 a | 0.29 ± 0.01 bc | 0.39 ± 0.01 ab | 0.026 ± 0.000 ab |
C2Lb | 12.53 ± 0.19 a | 29.33 ± 0.56 a | 0.43 ± 0.03 a | 0.23 ± 0.01 c | 0.028 ± 0.002 ab |
C5Lb | 11.41 ± 0.69 ab | 26.99 ± 0.28 a | 0.34 ± 0.06 b | 0.50 ± 0.04 a | 0.044 ± 0.004 a |
C12Lb | 10.00 ± 0.46 bc | 18.40 ± 0.15 b | 0.26 ± 0.03 bc | 0.30 ± 0.03 bc | 0.021 ± 0.001 b |
Table 1. Effect of protist-plant growth promoting bacterium interactions on plant performance in pot culture study.
Treatment | Root length (cm) | Shoot length (cm) | Fresh root weight (g) | Fresh shoot weight (g) | Dry root weight (g) |
---|---|---|---|---|---|
Control | 7.00 ± 0.15 c | 15.51 ± 0.40 c | 0.18 ± 0.02 b | 0.25 ± 0.02 a | 0.030 ± 0.010 c |
Pr | 9.98 ± 0.35 b | 17.83 ± 0.17 c | 0.17 ± 0.05 b | 0.25 ± 0.02 a | 0.060 ± 0.000 ab |
A9Pr | 11.44 ± 0.55 ab | 21.13 ± 1.04 b | 0.31 ± 0.02 a | 0.29 ± 0.05 a | 0.077 ± 0.003 a |
C2Pr | 12.44 ± 0.52 a | 24.13 ± 0.55 a | 0.25 ± 0.02 a | 0.34 ± 0.01 a | 0.053 ± 0.017 ab |
C5Pr | 11.45 ± 0.23 ab | 22.07 ± 0.72 ab | 0.25 ± 0.01 ab | 0.30 ± 0.02 a | 0.050 ± 0.012 ab |
C12Pr | 10.75 ± 0.32 ab | 16.65 ± 0.36 c | 0.36 ± 0.02 a | 0.37 ± 0.03 a | 0.047 ± 0.007 ab |
Control | 7.00 ± 0.15 d | 15.51 ± 0.40 c | 0.18 ± 0.02 e | 0.25 ± 0.02 d | 0.030 ± 0.010 c |
St | 8.74 ± 0.73 cd | 17.87 ± 0.35 c | 0.42 ± 0.01 abc | 0.26 ± 0.01 d | 0.033 ± 0.003 c |
A9St | 11.97 ± 0.68 ab | 22.71 ± 1.52 b | 0.29 ± 0.05 d | 0.50 ± 0.03 bc | 0.040 ± 0.000 b |
A34St | 10.29 ± 0.01 bc | 17.33 ± 1.04 c | 0.39 ± 0.02 bcd | 0.66 ± 0.02 a | 0.063 ± 0.012 abc |
C1St | 11.43 ± 0.02 ab | 22.43 ± 0.64 b | 0.33 ± 0.01 cd | 0.45 ± 0.04 c | 0.077 ± 0.009 a |
C2St | 11.20 ± 0.52 ab | 18.33 ± 0.53 c | 0.33 ± 0.02 cd | 0.48 ± 0.01 bc | 0.070 ± 0.006 ab |
C5St | 10.61 ± 0.07 bc | 22.29 ± 0.57 b | 0.48 ± 0.01 ab | 0.53 ± 0.03 bc | 0.053 ± 0.003 abc |
C12St | 13.20 ± 0.31 a | 27.87 ± 0.29 a | 0.51 ± 0.01 a | 0.58 ± 0.00 ab | 0.073 ± 0.003 ab |
Control | 7.00 ± 0.15 c | 15.51 ± 0.40 c | 0.18 ± 0.02 c | 0.25 ± 0.02 a | 0.030 ± 0.010 ab |
Mo | 9.34 ± 0.19 b | 17.57 ± 1.08 abc | 0.23 ± 0.03 bc | 0.40 ± 0.01 a | 0.027 ± 0.003 b |
A9Mo | 10.05 ± 0.18 b | 17.48 ± 1.24 bc | 0.31 ± 0.03 ab | 0.44 ± 0.06 a | 0.033 ± 0.003 ab |
A34Mo | 12.47 ± 0.61 a | 20.75 ± 1.03 ab | 0.31 ± 0.02 ab | 0.30 ± 0.01 a | 0.047 ± 0.003 a |
C1Mo | 10.20 ± 0.01 b | 19.56 ± 0.67 abc | 0.23 ± 0.01 bc | 0.26 ± 0.02 a | 0.030 ± 0.015 ab |
C2Mo | 10.62 ± 0.39 b | 20.95 ± 0.60 ab | 0.17 ± 0.01 c | 0.43 ± 0.01 a | 0.033 ± 0.009 ab |
C5Mo | 10.63 ± 0.32 b | 21.65 ± 0.56 a | 0.36 ± 0.04 a | 0.47 ± 0.04 a | 0.037 ± 0.012 ab |
Control | 7.00 ± 0.15 d | 15.51 ± 0.40 c | 0.18 ± 0.02 d | 0.25 ± 0.02 c | 0.030 ± 0.010 ab |
Lb | 8.83 ± 0.79 cd | 18.55 ± 0.73 b | 0.25 ± 0.04 bc | 0.32 ± 0.04 bc | 0.025 ± 0.001 ab |
A9Lb | 12.23 ± 0.32 ab | 27.33 ± 0.96 a | 0.29 ± 0.05 bc | 0.52 ± 0.03 a | 0.023 ± 0.001 b |
A34Lb | 11.30 ± 0.21 ab | 26.53 ± 0.65 a | 0.29 ± 0.01 bc | 0.39 ± 0.01 ab | 0.026 ± 0.000 ab |
C2Lb | 12.53 ± 0.19 a | 29.33 ± 0.56 a | 0.43 ± 0.03 a | 0.23 ± 0.01 c | 0.028 ± 0.002 ab |
C5Lb | 11.41 ± 0.69 ab | 26.99 ± 0.28 a | 0.34 ± 0.06 b | 0.50 ± 0.04 a | 0.044 ± 0.004 a |
C12Lb | 10.00 ± 0.46 bc | 18.40 ± 0.15 b | 0.26 ± 0.03 bc | 0.30 ± 0.03 bc | 0.021 ± 0.001 b |
Fig. 1. Characteristics of rice seedlings under different plant growth- promoting bacterium (PGPB) and protist-PGPB treatments. A and B, Nitrogen (N) and phosphorus (P) contents of rice seedlings at 30 d old. C, Relative expression of GH3-2 gene in rice seedlings at 30 d old. UBQ5 gene was used as the reference gene to normalize the target gene expression. Data from relative transcription level was calculated using the 2-ΔΔCt method. Pr, Providencia sp.; A9, Vermamoeba vermiformis; C2, Tetrahymena sp.; C5, An unidentified genus of the family Kreyellidae; C12, Colpoda elliotti; St, Stenotrophomonas sp.; A34, Acanthamoeba genotype T4; C1, Crytolophosis mucicola; Mo, Morganella sp.; Lb, Lysinibacillus sp.Data are Mean ± SE (n = 3). Different lowercase letters on the bars indicate significant differences among the treatments according to Tukey’s HSD (P < 0.05) using one-way analysis of variance.
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