Antibody compositions for disrupting biofilms

1. An antibody or an antigen-binding fragment thereof comprising:

(i) a heavy chain (HC) immunoglobulin variable domain comprising:

a) a heavy chain complementarity-determining region 1 (CDRH1) comprising the amino acid sequence GFTFRTY (amino acids 50 to 56 of SEQ ID NO: 1);

b) a heavy chain complementarity-determining region 2 (CDRH2) comprising the amino acid sequence GSDRRH (amino acids 76 to 81 of SEQ ID NO: 1); and

c) a heavy chain complementarity-determining region 3 (CDRH3) comprising the amino acid sequence VGPYDGYYGEFDY (amino acids 121 to 133 of SEQ ID NO: 1); and

(ii) a light chain (LC) immunoglobulin variable domain comprising:

a) a light chain complementarity-determining region 1 (CDRL1) comprising the amino acid sequence QSLLDSDGKTF (amino acids 47 to 57 of SEQ ID NO: 7);

b) a light chain complementarity-determining region 2 (CDRL2) comprising the amino acid sequence LVS (amino acids 75 to 77 of SEQ ID NO: 7); and

c) a light chain complementarity-determining region 3 (CDRL3) comprising the amino acid sequence WQGTHFP (amino acids 114 to 120 of SEQ ID NO: 7).

2. The antibody or antigen-binding fragment of claim 1 , wherein the heavy chain (HC) immunoglobulin variable domain comprises the amino acid sequence of amino acids 25 to 144 of SEQ ID NO: 1.

3. The antibody or antigen-binding fragment of claim 2 , wherein the light chain (LC) immunoglobulin variable domain comprises the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 7, SEQ ID NO: 8, or SEQ ID NO: 9.

4. The antibody or antigen-binding fragment of claim 3 , wherein the light chain (LC) immunoglobulin variable domain comprises the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 7.

5. The antibody or antigen-binding fragment of claim 3 , wherein the light chain (LC) immunoglobulin variable domain comprises the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 8.

6. The antibody or antigen-binding fragment of claim 3 , wherein the light chain (LC) immunoglobulin variable domain comprises the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 9.

7. The antibody or antigen-binding fragment of claim 1 , wherein the CDRL3 comprises the amino acid sequence WQGTHFPYT (amino acids 114 to 122 of SEQ ID NO: 8).

8. The antibody or antigen-binding fragment of claim 1 , wherein the antibody further comprises a constant region.

9. The antibody or antigen-binding fragment of claim 8 , wherein the constant region is an IgA constant region, an IgD constant region, an IgE constant region, an IgG constant region or an IgM constant region.

10. The antibody or antigen-binding fragment of claim 8 , wherein the constant region is an IgG1 constant region.

11. The antibody or antigen-binding fragment of claim 1 , wherein the antigen-binding fragment is a Fab, F(ab′) 2 , Fab′, scFv, or Fv.

12. The antibody or antigen-binding fragment of claim 1 , wherein the antibody or antigen-binding fragment is modified.

13. The antibody or antigen-binding fragment of claim 12 , wherein the antibody or antigen-binding fragment is modified by a process selected from PEGylation, polysialyation, HESylation or glycosylation.

14. The antibody or antigen-binding fragment of claim 1 , wherein the antibody is a monoclonal antibody.

15. The antibody or antigen-binding fragment of claim 1 , comprising a humanized or human framework.

16. A composition comprising a carrier and an antibody or antigen-binding fragment of claim 1 .

17. An isolated polynucleotide encoding an antibody or antigen-binding fragment of claim 1 , optionally operatively linked to a promoter and enhancer element.

18. A vector comprising a polynucleotide of claim 17 .

19. A host cell comprising a polynucleotide of claim 17 .

20. A method of producing an antibody or antigen-binding fragment of claim 1 , comprising culturing a host cell comprising a polynucleotide encoding the antibody or antigen-binding fragment under conditions for expression of the antibody or antigen-binding fragment, and optionally isolating the antibody or antigen-binding fragment thereof.

21. A method of disrupting a biofilm, comprising contacting the biofilm with an effective amount of an antibody or antigen-binding fragment of claim 1 .

22. A method of treating a condition characterized by the formation of a biofilm in a subject, comprising administering to the subject an effective amount of an antibody or antigen-binding fragment of claim 1 .

23. A method to detect a biofilm in a subject, comprising administering to the subject an antibody or antigen-binding fragment of claim 1 , and detecting binding of the antibody or antigen-binding fragment to the biofilm.

24. A method for conferring passive immunity in a subject, comprising administering to the subject an antibody or antigen-binding fragment of claim 1 .

25. A non-physiological surface coated with an antibody or antigen-binding fragment of claim 1 ; optionally, wherein the surface is in an industrial setting.

26. A kit comprising an antibody or antigen-binding fragment of claim 1 ; and

optionally, instructions for use.

27. A monoclonal antibody or an antigen-binding fragment thereof, wherein the antibody comprises:

(i) a heavy chain (HC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 25 to 144 of SEQ ID NO: 1; and

(ii) a light chain (LC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 7.

28. A monoclonal antibody or an antigen-binding fragment thereof, wherein the antibody comprises:

(i) a heavy chain (HC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 25 to 144 of SEQ ID NO: 1; and

(ii) a light chain (LC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 8.

29. A monoclonal antibody or an antigen-binding fragment thereof, wherein the antibody comprises:

(i) a heavy chain (HC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 25 to 144 of SEQ ID NO: 1; and

(ii) a light chain (LC) immunoglobulin variable domain sequence comprising the amino acid sequence of amino acids 21 to 132 of SEQ ID NO: 9.

30. The antibody or antigen-binding fragment of claim 1 , that binds the tip region of a DNABII peptide.