TECHNOLOGY FOCUS - BIOLOGY - Preferred Method: The method comprises: converting the polysaccharide to a monosaccharide and/or an oligosaccharide; converting the lipid to a fatty acid and/or a monosaccharide; and converting the biomolecule to a commodity chemical. The fusion polypeptide encoded by the polynucleotide is secreted by the microorganism. The secreted fusion polypeptide is attached to the cell surface of the microorganism. The fusion polypeptide further comprises a heterologous signal peptide derived from pectate lyase B (PelB) (Pectobacterium sp. ), PgsA (Bacillus subtilis), OmpA, StII, EX, PhoA, OmpF, PhoE, MalE, OmpC, lipoprotein (Lpp), LamB, OmpT, Ltb or Ag43 (Escherichia coli). The carrier polypeptide directs the secretion of the passenger polypeptide and/or displays the passenger polypeptide on the surface of the recombinant microorganism. The polynucleotide is operably linked to a promoter. The carrier polypeptide is fused to the N-terminus of the passenger polypeptide. The carrier polypeptide is fused to the C-terminus of the passenger polypeptide. Preferred Components: The lyase is an alginate lyase, oligoalginate lyase, pectin lyase, pectate lyase, rhamnogalacturonan lyase, gellan lyase, xanthan lyase, polymannuronate lyase, polygluronate lyase, polygalacturonate lyase, hyaluronan lyase, or a rhamnogalacturonan hydrolyase. The carrier polypeptide comprises a native signal peptide. The carrier polypeptide comprises a bacterial outer membrane porin, ice nucleation protein, PgsA (Bacillus subtilis), autotransporter, or their active fragments or variants. The bacterial outer membrane porin comprises Omp1 (Zymomonas mobilis) or OmpA (E. coli). The polynucleotide comprises Omp1 or OmpA fused to a signal peptide from lipoprotein (LLP) (E. coli). The ice nucleation protein comprises InaV (Pseudomonas syringae), InaK (Pseudomonas syringae), or their active fragments or variants. The autotransporter comprises PhoA-EstA (Pseudomonas aeruginosa, Pseudomonas putida or Pseudomonas fluorescens), Ag43 (a non-adhesin-involved-in-diffuse-interference (AIDA) based autotransporter from E. coli) or their active fragments or variants. The passenger polypeptide comprises an alginate lyase, or their active fragments or variants. The alginate lyase is from Pseudoalteromonas sp. SM0524 or Sphingomonas sp. AI. The alginate lyase from Sphingomonas sp. comprises AI-I from Sphingomonas sp. AI, Delta AI-I from Sphingomonas sp. AI, AI-II from Sphingomonas sp. AI, AI-III from Sphingomonas sp. AI, AI-II' from Sphingomonas sp. AI, or their active fragments or variants. The passenger polypeptide comprises a cellulase, or its active fragment. The cellulase is from Trichoderma reesei, Aspergillus aculeatus, Clostridium cellulolyticum or Saccharophagus degradans. The cellulase comprises an endo-1,4-glucanase I, endo-1,4-glucanase II, and endo-1,4-glucanase III from Trichoderma reesei, cellobiohydrolase II from Trichoderma reesei, cellulase Cel9E from Clostridium cellulolyticum, cellulase Cel9M from Clostridium cellulolyticum, endo-1,4-glucanase Cel9G from Clostridium cellulolyticum, endo-1,4-glucanase Cel5A from Clostridium cellulolyticum, endo-cellulase Cel48F from Clostridium cellulolyticum or a glucosidase I from Aspergillus aculeatus, or their active fragments or variants. The passenger polypeptide comprises a laminarinase or its active fragment. The laminarinase is from Euglena gracilis or Saccharophagus degradans. The passenger polypeptide comprises a lipase or its active fragment. The promoter comprises P(trc) (E. coli), P(pdc) (Zymomonas mobilis), P(H207) (Coliphage), P(D/E20) (Coliphage), P(N25) (Coliphage), PL (phage lambda), P(A1) (phage T5), P(rrnB-2) (E. coli) or P(LPP) (E. coli). The heterologous signal peptide is at the N-terminus of the fusion polypeptide. The carrier polypeptide comprises Omp1 (Zymomonas mobilis), and the passenger polypeptide comprises Delta AI-I from Sphingomonas sp. AI, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises OmpA (E. coli), and the passenger polypeptide comprises alginate lyase Delta AI-I from Sphingomonas sp. AI, and further comprises a signal peptide from LPP (E. coli), and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), and the passenger polypeptide comprises an alginate lyase from Pseudoalteromonas sp. SM0524, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), and the passenger polypeptide comprises an alginate lyase AI-I from Sphingomonas sp. AI-I, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), and the passenger polypeptide comprises an alginate lyase Delta AI-I from Sphingomonas sp. AI-I, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), the passenger polypeptide comprises an alginate lyase AI-II from Sphingomonas sp. AI-I, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), and the passenger polypeptide comprises an alginate lyase AI-III from Sphingomonas sp. AI-I, and the isolated polynucleotide is operably linked to a P(pdc) promoter (Zymomonas mobilis). The carrier polypeptide comprises Ag43 (E. coli), and the passenger polypeptide comprises an alginate lyase from Pseudoalteromonas sp. SM0524, and the isolated polynucleotide is operably linked to a P(H207) promoter (Coliphage). The vector comprises pTrc99a or pCCfos2 (mini-F plasmid). The recombinant microorganism further comprises a polynucleotide. The recombinant microorganism is E. coli, Acetobacter aceti, Achromobacter, Acidiphilium, Acinetobacter, Actinomadura, Actinoplanes, Aeropyrum pernix, Agrobacterium, Alcaligenes, Ananas comosus (M), Arthrobacter, Aspergillus niger, Aspergillus oryzae, Aspergillus melleus, Aspergillus pulverulentus, Aspergillus saitoi, Aspergillus sojae, Aspergillus usamii, Bacillus alcalophilus, Bacillus amyloliquefaciens, Bacillus brevis, Bacillus circulans, Bacillus clausii, Bacillus lentus, Bacillus licheniformis, Bacillus macerans, Bacillus stearothermophilus, Bacillus subtilis, Bifidobacterium, Brevibacillus brevis, Burkholderia cepacia, Candida rugosa, Carica papaya L., Cellulosimicrobium, Cephalosporium, Chaetomium erraticum, Chaetomium gracile, Clostridium, Clostridium butyricum, Clostridium acetobutylicum, Clostridium thermocellum, Corynebacterium glutamicum, Corynebacterium efficiens, Enterococcus, Erwinia chrysanthemi, Gluconobacter, Gluconacetobacter, Haloarcula, Humicola insolens, Kitasatospora setae, Klebsiella, Klebsiella oxytoca, Kluyveromyces, Kluyveromyces fragilis, Kluyveromyces lactis, Kocuria, Lactlactis, Lactobacillus, Lactobacillus fermentum, Lactobacillus sake, Lactococcus, Lactococcus lactis, Leuconostoc, Methylocystis, Methanolobus siciliae, Methanogenium organophilum, Methanobacterium bryantii, Microbacterium imperiale, Micrococcus lysodeikticus, Microlunatus, Mucor javanicus, Mycobacterium, Myrothecium, Nitrobacter, Nitrosomonas, Nocardia, Papaya carica, Pediococcus, Pediococcus halophilus, Penicillium, Penicillium camemberti, Penicillium citrinum, Penicillium emersonii, Penicillium roqueforti, Penicillium lilacinum, Penicillium multicolor, Paracoccus pantotrophus, Propionibacterium, Pseudomonas, Pseudomonas fluorescens, Pseudomonas denitrificans, Pyrococcus, Pyrococcus furiosus, Pyrococcus horikoshii, Rhizobium, Rhizomucor miehei, Rhizomucor pusillus (Lindt), Rhizopus, Rhizopus delemar, Rhizopus japonicus, Rhizopus niveus, Rhizopus oryzae, Rhizopus oligosporus, Rhodococcus, Saccharophagus degradans, Saccharomyces cerevisiae, Sclerotina libertina, Sphingobacterium multivorum, Sphingobium, Sphingomonas, Streptococcus, Streptococcus thermophilus Y-1, Streptomyces, Streptomyces griseus, Streptomyces lividans, Streptomyces murinus, Streptomyces rubiginosus, Streptomyces violaceoruber, Streptoverticillium mobaraense, Tetragenococcus, Thermus, Thiosphaera pantotropha, Trametes, Trichoderma, Trichoderma longibrachiatum, Trichoderma reesei, Trichoderma viride, Trichosporon penicillatum, Vibrio alginolyticus, Vibrio splendidus, Xanthomonas, yeast, Yarrowia lipolytica, Zygosaccharomyces rouxii, Zymomonas or Zymomonas mobilis. The outer membrane porin is from Vibrio splendidus, which comprises an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to the amino acid sequence set forth in SEQ ID NO:92 (pALG2.0) (sequences not defined here may be found at ftp://ftp.wipo.int/pub/published pct sequences/publication). The recombinant microorganism further comprises an exogenous polynucleotide that encodes an outer membrane porin. The recombinant microorganism further comprises exogenous polynucleotides that encode a symporter and a porin. The symporter and porin are from Vibrio splendidus, and comprises an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to the amino acid sequence set forth in SEQ ID NO:96 (symporter), 92 (porin), or 94 (porin) (pALG2.5) (sequences not defined here may be found at ftp://ftp.wipo.int/pub/published pct sequences/publication). The recombinant microorganism further comprises exogenous polynucleotides that encode an ATP binding cassette (ABC) transporter, oligoalginate lyase and 4-deoxy-L-erythro-hexoselulose uronate (DEHU) hydrogenase, which are from Agrobacterium tumefaciens. The ABC transporter, oligoalginate lyase, and the DEHU hydrogenase comprise an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to the amino acid sequence set forth in SEQ ID NO: 110, 112, 114, 116, 118 (ABC transporters), 120 (olioalginate lyase), or 122 (DEHU hydrogenase) (pALG3.0) (sequences not defined here may be found at ftp://ftp.wipo.int/pub/published pct sequences/publication). The recombinant microorganism further comprises an exogenous polynucleotide that encodes alginate lyases. The recombinant microorganism further comprises exogenous polynucleotides that encode two or more alginate lyases. The alginate lyases are from Vibrio splendidus, which comprise an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to the amino acid sequence set forth in SEQ ID NO:98 or 100 (pALG3.5) (sequences not defined here may be found at ftp://ftp.wipo.int/pub/published pct sequences/publication). The recombinant microorganism further comprises exogenous polynucleotides that encode beta -glucosidases and a transporter. The recombinant microorganism further comprises exogenous polynucleotides that encode three or more beta -glucosidases and a transporter. The beta -glucosidases and the transporter are from Saccharophagus degradans. The beta -glucosidases from Saccharophagus degradans comprise an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to at least one of SEQ ID NO: 124, 126 or 130, and the transporter from Saccharophagus degradans comprises an amino acid sequence at least 80%, 85%, 90%, 95%, 98% or 100% identical to SEQ ID NO:128 (pALG4.0) (sequences not defined here may be found at ftp://ftp.wipo.int/pub/published pct sequences/publication). The recombinant microorganism further comprises exogenous polynucleotides that encode transporters from Saccharophagus degradans. EXAMPLE - No suitable example given.