Related by context. All words. (Click for frequent words.) 70 H5 strains 69 avian H#N# 68 E. coli STEC 68 H5 viruses 67 WSN/# 67 swine influenza viruses 67 H#N# isolates 67 Highly pathogenic avian influenza 67 avian flu viruses 67 H7 virus 66 avian H#N# influenza 66 Mycobacterium leprae 66 reassortant viruses 65 infects pigs 65 Trichinella 65 H5 avian flu 65 reassortant 65 highly pathogenic strains 65 Leptospira 65 P. reichenowi 64 triple reassortant 64 Creutzfeld Jakob disease 64 M. leprae 64 infective agent 64 virus subtype 64 infects humans 64 paramyxoviruses 64 Pasteurella 64 Plasmodium species 64 Babesia 64 Swine flu viruses 64 Thorough cooking kills 63 Brucella abortus 63 avian strain 63 Mycobacterium bovis 63 dual tropic 63 HPAI H#N# 63 corona virus 63 CHIKV 63 ZEBOV 63 subtype H#N# 63 H5NI 63 Salmonella enterica 63 S. enterica 63 re assort 63 Smallpox vaccines 63 H7 subtype 62 Sars coronavirus 62 H7 viruses 62 H#N# subtype 62 avian influenzas 62 M. ulcerans 62 H7 strains 62 genetically sequenced 62 toxoplasma 62 PB2 gene 62 M. anisopliae 62 avian influenza viruses 62 simian foamy virus 62 virulence genes 62 H7 subtypes 62 abnormal prions 62 influenza subtype 62 Plasmodium knowlesi 62 S. suis 61 nonpathogenic 61 infect humans 61 H5 influenza 61 vesicular stomatitis virus 61 hemagglutinin H 61 paratuberculosis 61 L. pneumophila 61 Coronaviruses 61 reassort 61 Infected birds 61 parainfluenza viruses 61 Nosema ceranae 61 protozoan parasite 61 transmissible spongiform encephalopathy TSE 61 Highly pathogenic 61 cholera bacterium 61 H5 avian 61 hemagglutinin gene 61 simian virus 61 asymptomatic carriers 61 SIVcpz 61 prion strains 60 low pathogenic strains 60 Ebola Reston 60 Schistosoma mansoni 60 Moraxella bovis 60 Enterobacter sakazakii 60 human metapneumovirus 60 Salmonella saintpaul 60 variola 60 alphavirus 60 pathogenic strain 60 C. jejuni 60 experimentally infected 60 enzootic 60 clade B 60 Francisella 60 genus Plasmodium 60 transmissable 60 receptor specificity 60 pathogenic E. coli 60 Gallus gallus 60 A/H#N# strain 60 filovirus 60 Salmonella typhimurium 60 neuraminidase NA 60 cowpox virus 60 rickettsial 60 highly pathogenic avian 60 reassortments 60 prokaryote 60 PCV1 60 Simian Immunodeficiency Virus 60 H#N# avian 60 Psittacosis 60 Vibrio cholerae 60 Vibrio parahaemolyticus 60 murine leukemia virus 60 surface proteins hemagglutinin 60 clonally 60 Enterobacter cloacae 60 prion gene 60 oseltamivir resistant 60 Mycoplasma pneumoniae 60 highly pathogenic viruses 60 Variant Creutzfeldt Jakob 60 coronaviruses 60 Shiga toxin producing 60 Porcine circovirus 60 strain mutates 59 Corynebacterium 59 Salmonella typhi 59 commonly infect humans 59 reassortants 59 T. gondii 59 Multidrug resistant 59 Nosema apis 59 becomes easily transmissible 59 microfilariae 59 S. neurona 59 methicillin resistant MRSA 59 hemagglutinin HA 59 Shiga toxin 59 Salmonella Typhi 59 low pathogenic H7 59 Swine influenza 59 lentiviruses 59 bacterium E. coli 59 F. tularensis 59 T. vaginalis 59 avian influenza H#N# 59 S. Typhimurium 59 serogroup B 59 cholera toxin 59 multiresistant 59 BRSV 59 Enterobacter 59 monocytogenes 59 flavivirus 59 Anaplasma 59 transmissible spongiform encephalopathy 59 attenuated strain 59 dengue viruses 59 devastated poultry flocks 59 triple reassortment 59 influenza subtypes 59 B. fragilis 59 Canine influenza 59 superantigen 59 Trypanosoma brucei 59 paramyxovirus 58 Resistant strains 58 masked palm civets 58 avian swine 58 SARS CoV 58 Campylobacter jejuni 58 plague bacterium Yersinia 58 reassortant virus 58 cytopathic 58 Treponema pallidum 58 causes Chagas disease 58 viruses infect 58 H5 avian influenza 58 Creutzfeldt Jacob 58 Haemophilus 58 Enterococcus faecalis vancomycin susceptible 58 avian flu mutates 58 Human papillomaviruses 58 intergenic regions 58 Schistosoma 58 Candida species 58 Entamoeba histolytica 58 Ebola viruses 58 Aspergillus oryzae 58 Toxoplasma gondii 58 enterobacteria 58 Entamoeba 58 Simian Immunodeficiency Virus SIV 58 E. coli O# [001] 58 brucei 58 coagulase negative staphylococci 58 typhimurium 58 Marburg Musoke 58 TRIM5 alpha 58 lymphogranuloma venereum 58 Coxiella burnetii 58 Escherichia coli O# 58 Staphylococcus bacteria 58 NS1 protein 58 operons 58 Escherichia coli E.coli 58 Ehrlichia 58 purified inactivated 58 neurona 58 H5NI strain 58 highly pathogenic avian flu 58 haemagglutinin 58 influenza viruses circulating 58 Epstein Barr virus EBV 58 human immunodeficiency 58 H1 H3 58 Streptococcus pneumonia 58 coccidia 58 Plasmodium ovale 58 avian H#N# virus 58 sicken humans 58 microsporidia 58 H#N# mutates 58 swine avian 58 mosquito Aedes aegypti 58 Trichinella spiralis 58 B. cepacia 58 avian viruses 58 H#N# influenza viruses 58 respiratory syndrome virus 58 subunit vaccine 58 genetically divergent 58 inactivated viruses 58 Typhimurium 58 primate lineage 58 bacterium Neisseria meningitidis 57 HMPV 57 Onchocerca volvulus 57 M. bovis 57 highly pathogenic virus 57 reassortment 57 Bordetella pertussis 57 Tamiflu resistant strains 57 readily transmissible 57 dengue serotype 57 obligate intracellular 57 replikin 57 A/Brisbane/#/# H#N# 57 PRRSV 57 Streptococcus equi 57 Pasteurella multocida 57 filoviruses 57 Yersinia enterocolitica 57 chlamydiosis 57 Saintpaul 57 Propionibacterium 57 Enteritidis 57 Hendra viruses 57 subtilis 57 #S ribosomal RNA 57 Neisseria meningitides 57 staphylococci 57 Borrelia burgdorferi 57 human influenzas 57 subtyped 57 polioviruses 57 #S rRNA genes 57 opportunistic pathogen 57 pig herds 57 C. perfringens 57 T. brucei 57 virus SIV 57 wasting Creutzfeldt Jakob 57 coxsackie virus 57 H5 N1 57 Variant Creutzfeldt Jakob Disease 57 Chlamydia pneumoniae 57 Shigella bacteria 57 spongiform encephalopathy 57 antibody binds 57 clade C 57 pathogenic bacterial 57 Plasmodium parasites 57 primordial germ cells 57 St. Louis Encephalitis 57 hantaviruses 57 Streptococcus agalactiae 57 Vesivirus 57 herpesviruses 57 Clade B 57 mutated strain 57 antisera 57 Vibrio cholera 57 spirochete 57 virulent H#N# bird flu 57 brucella 57 K. pneumoniae 57 adamantanes 57 toxoplasma gondii 57 chemically inactivated 57 Salmonella Campylobacter 57 toxins secreted 57 Chikungunya virus 57 BSE prions 57 coronavirus 57 infective dose 57 Clostridium perfringens 57 methicillin susceptible MSSA 57 Neisseria 57 pestis 57 mycoplasma 57 RVF virus 57 S.aureus 57 neuraminidase N 57 herpesvirus 57 fungal bacterial 57 Malaria parasites 57 mammalian prions 57 drug resistant Staph 57 M. genitalium 57 Bioniche E. coli 57 Agrobacterium tumefaciens 57 inactivated influenza 57 antigenic shift 57 bacterium Vibrio cholerae 57 pathogenic strains 57 avian strains 57 mycobacterium tuberculosis 57 low pathogenic strain 57 low pathogenicity avian 57 #S rRNA gene 57 infecting humans 57 bacteria campylobacter 57 ki lled 57 vancomycin resistant 57 Taenia 57 highly pathogenic H#N# avian 57 C. botulinum 57 Sanofi Pasteur ALVAC canary 57 arenavirus 57 Drug resistant strains 57 papillomaviruses 56 Chlamydia trachomatis 56 H#N# avian influenza viruses 56 Variant CJD 56 highly pathogenic bird flu 56 pyogenes 56 avian flus 56 serologically 56 attenuated weakened 56 endospores 56 H#N# virus mutates 56 arenaviruses 56 Citrobacter 56 IBR BVD 56 orthologs 56 H#Y mutation 56 aegypti 56 V. cholerae 56 streptococcus suis bacteria 56 bird flu virus mutates 56 Francisella tularensis 56 Trypanosoma 56 antigenically 56 interspecies transmission 56 causal variants 56 NF1 gene 56 strain transmissible 56 H5 subtype 56 virulent H#N# 56 poxvirus 56 schistosome 56 Thoroughly cooking eggs 56 mutated virus 56 anthrax Bacillus anthracis 56 Listeria monocytogenes Lm 56 H7 avian flu 56 H7 variant 56 Coronavirus 56 PrPSc 56 Pseudomonas spp 56 H7 influenza 56 streptococcus suis 56 canarypox 56 Borrelia 56 swine influenza A/H#N# 56 neutralizing antibody responses 56 simian immunodeficiency virus 56 Mycoplasma genitalium 56 enteroviruses 56 Enterococcus faecium 56 sheep scrapie 56 Roundworms 56 etiologic agent 56 Porcine Circovirus 56 Israeli Acute Paralysis 56 toxoids 56 Genetic sequencing 56 highly pathogenic influenza 56 quinolone resistant 56 dermatophytes 56 Streptomyces 56 inactivate viruses 56 gambiae 56 particles VLPs 56 tickborne 56 Rickettsia 56 cysticercosis 56 Avian influenza H#N# 56 P. falciparum parasite 56 hypervirulent strains 56 easily transmittable 56 albopictus 56 low pathogenic H5 56 fertilized chicken 56 transmissible spongiform encephalopathies TSEs 56 serovar 56 antigenically distinct 56 non O# STEC 56 pox virus 56 anthrax tularemia 56 reoviruses 56 Calicivirus 56 abnormal amyloid 56 H#N#virus 56 Wolbachia bacterium 56 Salmonella Shigella 56 V. vulnificus 56 recombinantly 56 Bluetongue virus 56 broadly neutralizing 56 O# H7 56 trypanosome 56 Escherichia Coli 56 amebiasis 56 H7 strain 56 enterohaemorrhagic E. coli 56 bacterium Escherichia coli 56 parasitize 56 contagious bacterial 56 O# strain 56 hemorrhagic septicemia 56 Staphylococcus aureus bacterium 56 #S rDNA 56 rhinotracheitis 55 M. paratuberculosis 55 disease vCJD 55 Yersinia pseudotuberculosis 55 siderophore 55 Replikin Count TM 55 H5NI virus 55 P aeruginosa 55 neurotropic 55 Wolbachia 55 acinetobacter 55 atypical scrapie 55 low pathogenic avian 55 coli 55 sequenced genome 55 transmissible spongiform encephalopathies 55 spirochetes 55 seasonal influenza viruses 55 bacterium infects 55 papilloma virus 55 replikins 55 faecal oral route 55 FMDV 55 Saccharomyces 55 clades 55 enteric viruses 55 spore forming 55 enterobacter 55 epidemiologically linked 55 BTV1 55 flu virus mutates 55 methicillin resistant Staphylococcus 55 tapeworm infection 55 Campylobacter infections 55 Plasmodium parasite 55 quarantinable disease 55 outer membrane proteins 55 S Typhi 55 Mosquitoes transmit 55 neuraminidase protein 55 Anisakis 55 shiga toxin 55 prion protein 55 MYH9 gene 55 virus XMRV 55 enteroviral 55 Flaviviridae 55 E.coli O# H7 55 variant Creutzfeldt Jacob 55 Hanta virus 55 recombinants 55 Urbani strain 55 swine origin 55 pasteurella 55 Burkholderia pseudomallei 55 plasmodium parasite 55 R. equi 55 infectious prion 55 Enteroviruses 55 cynomolgus macaques 55 emergent strains 55 MDRSP 55 staphylococcus aureus bacteria 55 M.tb 55 Anopheles gambiae mosquito 55 fluoroquinolone resistant 55 PRRS virus 55 flaviviruses 55 genetically attenuated 55 BARD1 55 Mycoplasma mycoides 55 artificial chromosomes 55 Giardia lamblia 55 Genital HPV 55 recombinant spider silk 55 polyclonal antibodies 55 virulence determinants 55 Strep bacteria 55 Histoplasma capsulatum 55 seasonal influenza strains 55 swine brucellosis 55 fungal genomes 55 genes encode 55 oxacillin 55 capsid proteins 55 trematodes 55 swine herds 55 Salmonella spp 55 lactase persistence 55 Klebsiella pneumonia 55 leptospira 55 causative organism 55 PtERV1 55 latently infected 55 Naegleria fowleri nuh ee 55 rotaviruses 55 P. falciparum 55 Batrachochytrium dendrobatidis 55 Panton Valentine Leukocidin PVL 55 H5 strain 55 gene sequences 55 Highly contagious 55 rotovirus 55 beta lactamases 55 contagious bacterial infection 55 Chlamydia psittaci 55 SynCon ™ 55 P falciparum 55 Bartonella henselae 55 Wolbachia bacteria 55 birdflu virus 55 Legionella pneumophila 55 H#N# viruses 55 Lyme disease bacterium 55 TRIM5 55 monophyletic 55 V. parahaemolyticus 55 neuraminidases 55 variant Creutzfeld Jakob 55 epidermidis 55 toxigenic strains 55 ESBL producing E. coli 55 bacteria Escherichia coli 55 eating undercooked meat 55 H#N# Influenza virus 55 Dengue virus 55 varicella zoster virus VZV 55 typhi 55 malayi 55 bacterium Mycobacterium tuberculosis 55 viral subtypes 55 Yamanaka recipe 55 mimivirus 55 CCHF virus 55 OUTBREAKS 55 avian virus 55 superantigens 55 FluChip 55 H7 bird flu 55 endogenous retrovirus 55 Anopheles gambiae mosquitoes 55 Burkholderia 55 viral antigen 55 highly pathogenic H#N# 55 chloroquine resistant 55 enterotoxigenic 55 parasite Plasmodium falciparum 55 influenza viruses 55 oseltamivir resistant influenza 55 Salmonella Typhimurium 55 Bacillus subtilis 55 H#N# highly pathogenic 55 Panflu TM H#N# 55 Pseudomonas syringae 55 Salmonella enterica serovar 55 particle VLP vaccine 55 Culicoides 55 evolutionarily distant 55 TB bacterium 55 Bacillus Bt 55 Dehalococcoides 55 Cyclospora 55 Salmonella Enteritidis SE 54 Canine distemper 54 Anaplasmosis 54 lactis 54 herpes gonorrhea 54 S. typhimurium 54 highly pathogenic H#N# virus 54 vivax 54 Panton Valentine Leukocidin 54 parainfluenza virus 54 drug resistant Acinetobacter 54 salmonella bacterium 54 mousepox 54 unshelled eggs heated 54 Antibiotic resistant bacteria 54 Flavivirus 54 macrolide resistant 54 Campylobacter bacteria 54 antibiotic methicillin 54 H#Y 54 etiological agent 54 flu viruses mutate 54 shigella bacteria 54 GenBank accession 54 whipworm 54 Kawaoka explains 54 bacterium Clostridium 54 cytochrome b 54 bacillus 54 Staphylococcus epidermidis 54 M. smithii 54 mycobacteria 54 Anopheles stephensi 54 Nocardia 54 orthopoxvirus 54 Tularemia 54 retrocyclin 54 P. ovale 54 Nipah virus 54 Sindbis 54 Nosema 54 coli O# H7 54 serotype 54 mosquito vectors 54 VHL gene 54 viral proteins 54 arboviruses 54 hemolymph 54 bacterial pathogen 54 pseudorabies virus 54 Proteus mirabilis 54 Canine parvovirus 54 feline calicivirus 54 thermophilum 54 B. cereus 54 Recombinomics Pittsburgh 54 brucellosis tuberculosis 54 Y. pestis 54 diarrhea abdominal cramps nausea 54 Culex species 54 prion proteins 54 inactivated vaccine 54 insect vectors 54 circovirus 54 fluoroquinolone resistance 54 prion infection 54 saliva nasal secretions 54 infectious prions 54 plasmodium falciparum 54 C. neoformans 54 Xenopus laevis 54 Scientists theorize 54 staphylococcus bacteria 54 super spreaders 54 ESBL producing 54 Vaxfectin TM formulated 54 naturally occurring bacterium 54 viral nucleic acids 54 P. syringae 54 Venezuelan equine encephalitis 54 tuberculosis bacillus 54 mycobacterium 54 hemagglutinin protein 54 scrapie infected 54 IDH1 gene 54 St. Louis encephalitis 54 equine piroplasmosis 54 E. coli bacterial infections 54 metabolically engineered 54 commensal bacteria 54 transmissible 54 fungus Aspergillus 54 Herpes virus 54 Salmonella serotypes 54 Pneumococcus 54 parainfluenza 54 distinct lineages 54 H. influenzae 54 IgM antibodies 54 Staphylococcus aureus bacteria 54 lethal H#N# avian 54 Antibiotic resistant 54 Lepto 54 urease 54 Chronic wasting 54 anaplasmosis 54 T. cruzi 54 secrete proteins 54 oocyst 54 BVDV 54 biodefense pathogens 54 Yersinia 54 pandemic H#N# virus 54 low pathogenic H#N# 54 mRNA transcripts 54 arthropod borne 54 transgenic rats 54 oocysts 54 mutates rapidly 54 salmonella campylobacter 54 cytotoxin 54 highly pathogenic 54 hMPV 54 fungal strains 54 Toxoplasma 54 LPA gene 54 equine encephalitis 54 Salmonella serotype Saintpaul 54 Chlamydophila pneumoniae 54 replicon 54 parasitic flatworm 54 Klebsiella pneumoniae 54 jejuni 54 maternally inherited 54 glanders 54 STEC O# 54 normal prion protein 54 R5 tropic 54 Salmonella bacterium 54 histocompatibility 54 TSEs 54 S OIV 54 influenza virus mutates 54 saintpaul 54 Novel H#N# influenza 54 resistant staphylococcus 54 Streptococcus bacteria 54 Prevotella 54 trematode 54 LPAI H#N# 54 enterotoxin 54 meningococcus 54 Escherichia coli Klebsiella pneumoniae 54 endogenous retroviruses 54 midge borne 54 Genital herpes 54 PCV2 54 attenuated vaccine 54 pylori 54 HN# strain 54 faecal samples 54 Prion proteins 54 classical scrapie 54 sialic acid 54 multidrug resistant MDR 54 multidrug resistant strains 54 trypanosome parasite 54 Varroa destructor 54 herpes viruses 54 filoviruses Ebola 54 Trichophyton rubrum 54 conserved antigens NP 54 rat lungworm 54 TCF#L# gene 54 bacteria Streptococcus pneumoniae 54 helicobacter pylori 54 Plasmodium vivax 54 Bos taurus 54 undercooked pork 54 Serotype 54 distemper virus 53 bacillus anthracis 53 culture filtrate 53 Stenotrophomonas maltophilia 53 palm civets 53 Staph aureus 53 USA# strain 53 spider silk proteins 53 Lactic acid bacteria 53 Enterococcus faecalis 53 cruzi 53 NRTI resistance 53 coxsackie 53 parthenogenetic 53 Prion diseases 53 Streptococcus pneumoniae bacteria 53 hypermethylated 53 H#N# Avian Flu 53 H5 bird flu 53 aedes aegypti mosquitoes 53 chlamydial infections 53 Ebola Reston virus 53 helminth infections 53 full blown haemolytic 53 bacterium Streptococcus 53 anaerobic bacterium 53 malarial parasites 53 Leishmania donovani 53 provirus 53 bovis 53 B. burgdorferi 53 B. henselae 53 Escherichia coli bacteria 53 H5NI bird flu 53 Poliovirus 53 Serratia marcescens 53 sporozoites 53 smallpox anthrax 53 protein neuraminidase 53 Aeromonas 53 undulant fever 53 immunodeficiency virus 53 porcine reproductive 53 erythromycin resistant 53 swine viruses 53 distantly related species 53 Geomyces destructans 53 Wheat gluten 53 Ebola Marburg 53 campylobacter salmonella 53 noninfected 53 vanA gene 53 viral isolates 53 genetically mutate 53 metazoan 53 introgression 53 Shigella dysentery 53 H#N# swine 53 genomic sequences 53 polyploid 53 Lassa virus 53 Cryptococcus neoformans 53 bacteria Helicobacter pylori 53 T. pallidum 53 tularensis 53 feline immunodeficiency virus 53 Malaria parasite 53 M. pneumoniae 53 BALB c 53 Mycoplasma 53 siderophores 53 HLA DQ2 53 Trichomonas vaginalis 53 nematode parasite 53 fruitfly Drosophila 53 Staphylococci 53 Culex quinquefasciatus 53 superstrain 53 highly pathogenic strain 53 single celled parasite 53 DNA plasmids 53 avian malaria 53 Ciguatera 53 Klebsiella bacteria 53 RNA replication 53 viruses 53 P. mirabilis 53 Bovine spongiform encephalopathy BSE 53 A/Vietnam/#/# 53 mesias 53 N. meningitidis 53 shiga toxin producing 53 streptococcus pneumonia 53 S. enteritidis 53 archaic ungulates 53 Resistant bacteria 53 gametocytes 53 prodynorphin 53 Without functional ribosomes 53 seasonal influenzas 53 infectious prion proteins 53 gibbon ape 53 antibiotic resistant E. coli 53 ravaged poultry flocks 53 Pasteurization kills 53 streptococcus bacteria 53 influenza A/H#N# virus 53 bird flus 53 porcine circovirus type 53 smaller freshwater crocodiles 53 C. burnetii 53 Enterobacteriaceae 53 uh erh eye 53 lymphocytic choriomeningitis virus LCMV 53 viral strains 53 effector molecules 53 endosymbiont 53 chromosomal DNA 53 Sindbis virus 53 parasitic fungus 53 ebola virus 53 plasmodium 53 B Anflu R 53 Genetic mutations 53 Helicobacter 53 PCR assay 53 Varicella zoster virus 53 T gondii 53 domesticated fowl 53 Opportunistic infections 53 Cipro resistant 53 insect vector 53 Typhi 53 Paratuberculosis 53 enterobacteriaceae 53 chickens ducks turkeys 53 raccoons skunks bats 53 aedes aegypti 53 T. parva 53 Bacteroides fragilis 53 live attenuated vaccines 53 Rabies Dengue fever 53 KRAS oncogene 53 infected fleas 53 passerine birds 53 Panton Valentine leukocidin 53 H#N# strain 53 reverse transcriptase protease 53 female Aedes mosquitoes 53 commensal 53 Avian influenza viruses 53 infective larvae 53 pathogenic viruses 53 undercooked contaminated 53 histone demethylase 53 phylogenetically 53 salmonellae 53 chimpanzee adenovirus 53 H5 virus 53 Bt toxins 53 Streptococcus suis 53 GABHS 53 A. fumigatus 53 HLA genes 53 H7 avian influenza 53 M2 inhibitors 53 mutant strain 53 virulent strains 53 marburg 53 E.coli salmonella 53 proviral 53 H#N# VLP vaccine 53 Streptococcus thermophilus 53 Mosquito borne 53 P. infestans 53 spore forming bacterium 53 Streptococcus salivarius 53 methicillin susceptible Staphylococcus aureus 53 Trypanosoma cruzi 53 insect iridescent 53 avium 53 listeria salmonella 53 HUMIRA resembles 53 neisseria 53 sexually reproducing 53 necrotic enteritis 53 monkey pox 53 bacteria Pseudomonas 53 Bacteroides 53 sequenced genomes 53 P. berghei 53 S. maltophilia 53 gram negative aerobes 53 enterohaemorrhagic E. coli EHEC 53 spore forming bacteria 53 calicivirus 53 mammalian ancestor 53 bacillus cereus 53 oral poliovirus 53 B. abortus 53 human T lymphotropic 53 archaeal 53 Clostridium