Ex Parte VAN DEN BERG et al - Page 2




                Appeal No. 95-0083                                                                                                         
                Application 07/711,556                                                                                                     


                        This appeal was taken from the examiner's decision rejecting claims  43, 45                                        
                through 49, 52, 54 and 56 through 58, which are the only claims remaining in the                                           
                application.                                                                                                               
                        Claims 43 and 54, which are illustrative of the subject matter on appeal, read as                                  
                follows:                                                                                                                   
                        43.  A method for producing a polypeptide of interest in a Kluyveromyces                                           
                        host cell, said method comprising:                                                                                 
                                growing a Kluyveromyces host cell comprising an expression                                                 
                                cassette which comprises as components, in the direction of                                                
                                transcription, a transcriptional regulatory region and translational                                       
                                initiation region functional in said host cell;                                                            
                                a DNA sequence which encodes said polypeptide of interest;                                                 
                                and                                                                                                        
                                translational and transcriptional termination regions functional in                                        
                                said host cell, wherein expression of said DNA sequence is under                                           
                                regulatory control of said transcriptional and  translational regions                                      
                                and wherein said components are operably linked so as to provide                                           
                                for expression of said DNA sequence, whereby said polypeptide of                                           
                                interest is expressed in and secreted by said host cell.  [emphasis                                        
                                added]                                                                                                     
                        54.  A method for obtaining a polypeptide of interest using a transformed                                          
                        Kluyveromyces cell, said method comprising:                                                                        
                                growing said transformed Kluyveromyces cell comprising a DNA                                               
                                sequence comprising a region encoding a polypeptide hetero-                                                
                                logous to said cell, wherein said DNA sequence results from joining                                        

                                at least two DNA molecules to provide a gene functional for                                                
                                expression in said Kluyveromyces cell, wherein said gene func-                                             
                                tional for expression comprises at least a promoter regulation                                             
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