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Diversity of Culturable Bacteria Isolated from Highland Barley Cultivation Soil in Qamdo, Tibet Autonomous Region


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Fig. 1.

The number and diversity of bacteria.A) The numbers of bacteria isolated from different media at 4° and 25°. B) Diversity of bacteria isolated from different culture media. C) Diversity of bacteria isolated from different temperature. D) The numbers of dominant species isolated from 4° and 25°.
The number and diversity of bacteria.A) The numbers of bacteria isolated from different media at 4° and 25°. B) Diversity of bacteria isolated from different culture media. C) Diversity of bacteria isolated from different temperature. D) The numbers of dominant species isolated from 4° and 25°.

Fig. 2.

Phylogenetic tree based on 16S rRNA gene sequences of soil isolates and related species.
Phylogenetic tree based on 16S rRNA gene sequences of soil isolates and related species.

Fig. 3.

Phylogenetic tree based on the16S rRNA gene sequences of new candidates and related species.
Phylogenetic tree based on the16S rRNA gene sequences of new candidates and related species.

Fig. 4.

The Clustal X analysis of strain T808.
The Clustal X analysis of strain T808.

BLAST results based on 16S rRNA gene sequences of 77 bacterial species.

Strain numberName of strain having the highest 16S rRNA gene similarityThe highest similarity (%)
T74*Actinoplanes digitatis IFO 12512      98.82
T203Aeromicrobium ginsengisoli Gsoil 098      99.82
T96*Agromyces binzhouensis OAct353      98.62
T229*Agromyces humatus CD5      98.74
T805Arthrobacter crystallopoietes DSM 20117      99.85
T763Arthrobacter humicola KV-653100
T65Bacillus siamensis KCTC 13613100
T94Bacillus cereus ATCC 14579100
T228*Bacillus drentensis LMG 21831      99.34
T59Bacillus pumilus ATCC 7061100
T115Bacillus selenatarsenatis SF-1    99.6
T822Dietzia kunjamensis subsp DSM 44907      99.86
T230Exiguobacterium mexicanum 8NT100
T183*Glycomyces algeriensis NRRL B-16327      98.9
T64Gordonia otitidis NBRC 100426100
T830*Hymenobacter humi DG31A      98.60
T769*Kaistia defluvii B6-12      99.72
T144Kocuria sediminis FCS-11      99.43
T145Kribbella albertanoniae BC640100
T214*Kribbella catacumbae DSM 19601    99.6
T422Kribbella karoonensis Q41      99.87
T823Kytococcus schroeteri DSM 13884      99.73
T781Leifsonia flava SYP-B2174      99.73
T146Longispora urticae NEAU-PCY-3      99.88
T181*Luteimonas composti CC-YY255    98.9
T156Macrococcus canis KM 45013      99.86
T489Microbacterium maritypicum DSM 12512      99.55
T773Microbacterium natoriense TNJL143-2      99.87
T804Microbacterium phyllosphaerae DSM 13468      99.73
T133Microbacterium thalassium IFO 16060      98.93
T226Micrococcus luteus NCTC 2665      99.63
T47Micromonospora cremea DSM 45599      99.87
T206Micromonospora luteifusca GUI2      99.87
T197*Micromonospora palomenae NEAU-CX1      98.74
T92Micromonospora saelicesensis Lupac 09100
T786*Neorhizobium vignae CCBAU 05176      98.70
T62Nocardia salmonicida subsp R89      99.47
T105*Nocardioides caeni MN8      98.01
T218Paenibacillus odorifer DSM 15391      99.63
T608Paenarthrobacter aurescens NBRC 12136      99.07
T236Paenarthrobacter nitroguajacolicus G2-1100
T808*Pararhizobium herbae CCBAU 83011      98.79
T209Peribacillus simplex NBRC 15720100
T811Phyllobacterium ifriqiyense STM 370100
T274*Phyllobacterium zundukense Tri-48      98.57
T63Promicromonospora alba 1C-HV12100
T193*Pseudarthrobacter siccitolerans 4J27      99.34
T755Pseudomonas laurylsulfativorans AP3_22      99.73
T776Pseudomonas lini CFBP 5737100
T174*Pseudoxanthomonas sacheonensis BD-c54      99.34
T127*Rhodococcus jostii DSM 44719      99.32
T788Rhodococcus qingshengii JCM 15477100
T185*Skermanella aerolata 5416T-32    98.86
T93Sphingopyxis fribergensis Kp5.2      99.87
T45Staphylococcus caprae ATCC 35538100
T61Staphylococcus cohnii subsp ATCC 49330100
T666Streptomyces albogriseolus NRRL B-1305100
T313Streptomyces atroolivaceus NRRL ISP-5137100
T234Streptomyces bottropensis ATCC 25435      99.87
T130Streptomyces caniferus NBRC 15389      99.87
T235Streptomyces canus DSM 40017      99.73
T690Streptomyces dioscori A217      99.47
T532Streptomyces flavovirens NBRC 3716      99.85
T674*Streptomyces humidus NBRC 12877      98.8
T296Streptomyces hydrogenans NBRC 13475      99.46
T219Streptomyces hypolithicus HSM10      99.46
T426Streptomyces kurssanovii NBRC 13192      99.6
T569Streptomyces lunaelactis MM109      99.2
T348Streptomyces niveus NRRL 2466      99.46
T84Streptomyces phaeoluteigriseus DSM 41896      99.6
T581Streptomyces turgidiscabies ATCC 700248100
T110*Streptomyces xanthochromogenes NRRL B-5410      98.97
T100Streptomyces xanthophaeus NRRL B-5414      99.71
T111*Terrabacter ginsengisoli Gsoil 653      99.19
T160Umezawaea tangerina NRRL B-24463      99.18
T812Variovorax boronicumulans BAM-48      99.47
T134*Yinghuangia seranimata YIM 45720      98.73

Isolation media.

MediaComposition
X1peptone 2.0 g, yeast extract 0.5 g, FePO4 · 4H2O 0.1 g, MgSO4 · 7H2O 0.5 g, CaCO3 0.2 g, NaCl 0.5 g, agar 18.0 g, ddwater 1,000 ml, pH 7.0
Rpeptone 10.0 g, yeast extract 5.0 g, maltose extract 5.0 g, casein amino acid 5.0 g, beef extract 2.0 g, glycerol 2.0 g, Tween-80 50.0 mg, MgSO4 · 7H2O 1.0 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.6
L1NaCl 100.0 g, K2HPO4 5.0 g, MgSO4 · 7H2O 7.5 g, hydrolyzed casein 1.0 g, yeast extract 5.0 g, Na3C6H5O7 · 2H2O 3.0 g, FeSO4 · 7H2O 0.1 g, MnCl2 · 4H2O 0.1 g, ZnSO4 · 7H2O 0.1 g, agar 18.0 g, ddwater 1,000 ml, pH 7.0-8.0
ISP2NaCl 100.0 g, dextrose 4.0 g, yeast extract 4.0 g, maltose extract 10.0 g, MgSO4 · 7H2O 0.5 g, CaCO3 2.0 g, FeSO4 10 mg, agar 18.0 g, ddwater 1,000 ml, pH 7.0-8.0
GW1NaCl 100.0 g, casein 0.3 g, mannitol 1.0 g, NaHCO3 2.0 g, CaCO3 0.2 g, (NH4)2SO4 2.0 g, KNO3 2.0 g, K2HPO41.0 g, MgSO4 · 7H2O 2.0 g, FeSO4 10.0 mg, Trace-salt 10.0 mg/l, Agar 18.0 g, ddwater 1,000 ml, pH natural
DSM372NaCl 100.0 g, hydrolyzed casein 5.0 g, yeast extract 5.0 g, Na3C6H5O7 · 2H2O 3.0 g, Na2CO3 · 10H2O 8.0 g, NaC5H8NO4 1.0 g, KCl 2.0 g, MgSO4 · 7H2O 2.0 g, agar 18.0 g, ddwater 1,000 ml, pH natural
F1glycerol 5.0 g, alanine 3.0 g, arginine 1.0 g, (NH4)2SO4 2.64 g, KH2PO4 2.38 g, K2HPO4 5.65 g, MgSO4 · 7H2O 1.0 g, CuSO4 · 5H20 0.0064 g, FeSO4 · 7H2O 0.0011 g, MnCl2 · 4H2O 0.0079 g, ZnSO4 · 7H2O 0.0015 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
F2MgSO4 · 7H2O 0.5 g, CaCO3 0.2 g, FeSO4 10.0 mg, NaCl 0.5 g, MnCl2 · 4H2O 1.4 g, Na2MoO4 · 2H2O 0.39 g, Co(NO3)2 · 6H2O 0.025 g, ZnSO3 · 7H2O 0.222 g, NaHCO3 2.0 g, NaH2PO4 · 2H2O 0.05 g, agar 18.0 g, ddwater 1,000 ml, pH natural (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
M1soluble starch 10.0 g, casein 0.3 g, KNO3 2.0 g, K2HPO4 2.0 g, MgSO4 · 7H2O 0.05 g, FeSO4 · 7H2O 0.01 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
M5yeast extract 4.0 g, soluble starch 15.0 g, K2HPO4 1.0g, FeSO4 · 7H2O 0.01 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.6 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
M6raffinose 10.0 g, L-histidine 1.0 g, MgSO4 · 7H2O 0.5 g, FeSO4 · 7H2O 0.01 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
M7L-aspartic acid 0.1 g, peptone 2.0 g, sodium propionate 4.0 g, FeSO4 · 7H2O 0.01 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
M8glycerine 6.0 ml, arginine 1.0 g, MgSO4 · 7H2O 0.5 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
HVhumic acid 1.0g, Na2HPO4 0.5 g, KCl 1.7 g, MgSO4 0.5 g, FeSO4 0.01 g, CaCO3 0.02 g, agar 18.0 g, ddwater 1,000 ml, pH 7.2-7.4 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)
GSsoluble starch 20.0 g, NaCl 0.5 g, KNO3 1.0 g, K2HPO4 · 3H2O 0.5 g, MgSO4 · 7H2O 0.5 g, FeSO4 · 7H2O 0.01 g, agar 18.0 g, ddwater 1,000 ml, pH 7.4-7.6 (add 25 μg/ml nalidixic acid and 100 μg/ml nystatin)

The sequence analyses based on almost full-length of the 16S rRNA gene of six potential new species.

Strain numberName of strain having the highest 16S rRNA gene similaritySeparation mediumThe highest similarity (%)Separation temperature (°C)
T96Agromyces binzhouensis OAct353T98.62M525
T105Nocardioides caeni MN8T98.01M525
T274Phyllobacterium zundukense Tri-48T98.57M825
T786Neorhizobium vignae CCBAU 05176T98.70R4
T808Pararhizobium herbae CCBAU 83011T98.79M54
T830Hymenobacter humi DG31AT98.60F14

Genera distributed in each of the four phyla.

ActinobacteriaProteobacteriaFirmicutesBacteroidetes
ActinoplanesMicrococcusKaistiaBacillusHymenobacter
AeromicrobiumMicromonosporaLuteimonasExiguobacterium
AgromycesNocardiaNeorhizobiumMacrococcus
ArthrobacterNocardioidesPararhizobiumPaenibacillus
DietziaPaenarthrobacterPhyllobacteriumPeribacillus
GlycomycesPromicromonosporaPseudomonasStaphylococcus
GordoniaPseudarthrobacterPseudoxanthomonas
KocuriaRhodococcusSkermanella
KribbellaStreptomycesSphingopyxis
KytococcusTerrabacterVariovorax
LeifsoniaUmezawaea
LongisporaYinghuangia
Microbacterium
eISSN:
2544-4646
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Life Sciences, Microbiology and Virology