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Table 2 Annotation of 32 Glossina-specific proteins significantly upregulated in parasitized SG proteome of Glossina m. morsitans compared to the unparasitized SG proteome

From: A proteomics approach reveals molecular manipulators of distinct cellular processes in the salivary glands of Glossina m. morsitans in response to Trypanosoma b. brucei infections

UniProt ID

Protein name

LC-MS/MS measurements/quantification

Protein descriptions/functional annotation

Mol. weight (kDa)

Sequence coverage (%)

Unique peptides

-Log t-test (P-value)

D3TQ33

Ca2+/calmodulin-dependent protein kinase

24.064

58.1

11

5.14

Calcyphosin-like protein; regulation of ion transport

D3TMA1

Tetraspanin 42Ed

25.291

13.5

3

3.98

Acts as scaffold/anchor to specific cell membranes

D3TQS8

Integrin beta-PS

27.471

24.5

5

5.64

IGF-like repeat protein; cell adhesion to extracellular matrix proteins

H9TZT6

Stress-associated ER protein-2

42.284

17.6

4

4.21

ER stress

D3TQD5

Small ubiquitin-related modifier 3

10.328

35.2

3

1.49

Essential regulator of cellular processes (e.g. survival of stressed cells).

D3TMM3

Vacuolar H+−ATPase v0 sector subunit D

39.805

19.1

4

3.60

Cation trans-epithelia transport (SGs, labial glands; midguts; sensory sensilla)

D3TMK9

Chaperonin containing t-complex polypeptide-1ζ

58.314

13.7

5

4.20

TcP-1 family members are involved in the prevention of the aggregation of proteins unfolded by stress, or newly synthesized proteins

D3TM06

Chaperonin containing t-complex polypeptide-1θ

60.02

11.8

5

5.57

D3TLV7

Chaperonin containing t-complex polypeptide-1ζ

59.292

10.9

4

5.46

D3TLP9

Chaperonin containing t-complex polypeptide-1α

59.192

5.0

3

1.21

D3TMQ1

Mitochondrial methylglutaconyl-CoA hydratase

31.879

19.1

4

4.18

Metabolism of branched-chain amino acids (e.g. leucine, isoleucine and valine)

D3TLC7

Isovaleryl-CoA dehydrogenase

46.634

5.7

2

3.84

D3TNK0

Hypothetical conserved protein

37.228

10.8

4

4.70

70 % homologous to D. melanogaster uracil-DNA degrading factor-like protein (UDE); conformational integrity of DNA-protein complex machinery

D3TPX7

α-carboxylesterase αE7

65.575

21.8

11

1.44

Lipid metabolism in insects

D3TMQ8

24-kDa mitochondrial glutamine synthetase

44.028

4.2

2

2.03

Metabolism of glutamate (important product of ammonia detoxification)

D3TLS2

Mitochondrial NADH-ubiquinone oxidoreductase

26.829

13.2

3

3.08

Mitochondrial electron transport/transfer

D3TRJ5

Cytochrome b-c1 complex-7

13.551

28.8

3

0.92

D3TPP1

Downstream of receptor kinase

24.434

13.7

3

3.19

Essential roles in immune responses

D3TMW2

Proteasome subunit beta type-4

30.601

7.7

2

4.76

Associates with polo-like kinase; increase 20S proteasome to proteolytic activity

D3TPR8

Translin

28.855

14.4

3

3.66

Various biological roles (e.g. control and distribution of nucleic acid metabolism)

D3TLJ6

Mitochondrial prohibitin-2

36.64

9.7

3

1.01

Conserved protein involved in biogenesis and maintenance of mitochondria

D3TMK2

Ras-related small GTPase, rho type

21.289

12.0

2

5.47

Molecular switches that govern various important cellular functions

D3TRZ7

Aspartate aminotransferase

45.969

21.9

6

1.10

A key enzyme in amino acid metabolism

D3TRZ8

Gamma-glutamyl hydrolase

43.565

4.5

2

5.92

Folate metabolism

D3TPR2

Myosin essential light chain

16.572

27.2

3

0.93

A structural component of the actomyosin cross-bridge

D3TRA4

Transaldolase

37.217

20.5

5

0.95

Provides a link between glycolytic and pentose phosphate pathways

D3TLJ8

Dihydrolipoamide S-acetyltransferase

55.469

8.2

3

1.14

Provides a link between glycolytic and TCA cycles

D3TNC5

Retrotransposon protein

28.099

17.4

3

2.87

Mobile element that transpose by reverse transcription

D3TP54

Actin-related protein 2/3 complex-3

20.502

15.8

2

3.31

Induction of actin polymerization during pathogen infection

D3TQ55

Hypothetical secreted protein

24.355

38

2

2.60

Homologous (97 %) to salivary secreted mucin; tsetse mouthpart lubricant

Q0QHK6

δ-1-pyrroline-5-carboxylate dehydrogenase

58.318

26.3

10

2.61

Amino acid (glutamate and proline) metabolism

D3TRY4

Cathepsin B-like cysteine proteinase

38.221

14.1

4

3.37

SG cell autophagic cell death