Claim 1: a polinucle u00f3tido isolated comprises (a) a Nucleotide sequence that is (i) The Nucleotide sequence of SEQ ID no. 7, (ii) a Nucleotide sequence which is at least 95% identical to the Nucleotide sequence of SEQ ID no. 7, or (III (d) a sequence And Nucleotides that hybridizes with the full complement of the Nucleotide sequence of SEQ ID no. 7Stringent hybridization conditions comprising 0.02 m 0.15 M NaCl at temperatures of 120 degrees to 70 degrees Celsius； (b) a Nucleotide sequence that is (i) The Nucleotide sequence of SEQ ID no. 6, (ii) a Nucleotide sequence which is at least 95% identical to the sequence of nucle u00f3 Member of the SEQ ID no. 6Or (iii) a Nucleotide sequence that hybridizes with the full complement of the Nucleotide sequence of SEQ ID no. 6, stringent hybridization conditions comprising 0.02 m 0.15 M NaCl at temperatures of 120 degrees to 70 degrees Celsius； (c) a Nucleotide sequence that is (i) secuenci To nucleotides of SEQ ID no. 1, (ii) a Nucleotide sequence which is at leastA 95% identical to the Nucleotide sequence of SEQ ID no. 1, or (iii) a Nucleotide sequence that hybridizes with the full complement of the Nucleotide sequence of SEQ ID no. 1, stringent hybridization conditions comprising 0.02 m 0.15 M NaCl at temperatures of 50 Degrees to 70 degrees Celsius； (d) a Nucleotide sequence that is (i) The Nucleotide sequence of SEQ ID no. 2(ii) a Nucleotide sequence which is at least 95% identical to the Nucleotide sequence of SEQ ID no. 2, or (iii) a Nucleotide sequence that hybridizes with the full complement of the Nucleotide sequence of SEQ ID no. 2, under conditions of stringent hybridization Include 0.02 m NaCl at 0,15 m to temperatures of 120 degrees to 70 degrees Celsius； (e) a Nucleotide sequence that is (i) The Nucleotide sequence of SEQ ID no. 12, (ii) a Nucleotide sequence which is at least 95% identical to the Nucleotide sequence of SEQ ID no. 12, or (III a sequence of nucleotides that) Hybrid with the full complement
