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92/70
S-SSM5 8102(Δ), S-SSM3 8018 (Δ)
S-SSM5 8102(Δ), S-SSM3 8018(Δ)
99/70
9993
99/93
syn30 80189(Δ)
syn19 8109(Δ)
S-RSM28 7803(?)
S-WHM1 7803(Δ)
S-BM4 7803(?)
62/-
100/-
58/-
Synechococcus
myoviruses
10065
syn10 8017(Δ), syn26 8017(Δ)
syn9 8109(Δ)
“P-SSM1 9303(P)”
syn1 8101(S)
S-PM2 7803(S)
S-RSM88 7803(?)
BAC9D04 uncultured podovirus (?)
58/-
69/52
10078
SynWH8020 B
SynWH8012
SynCC9902 4
SynWH8020 C
SynCC9902 1, SynCC9902
2, SynC
C9902 3
SynCC9605 2
, SynCC
9605 3
SynWH8109
SynRSS9907
SynWH8102 B
52/-
marine
synechococcus
5776
SynWH8103 A
SynWH8102 D
SynWH8017
SynWH8018 C
SynWH8018 A
SynWH7803
SynWH8018 B
SynRS9901 1
SynWH8101 B
75/-
70
/-
8386
Prochlorococcus
myovirus group 1
P-SSM4 NATL2A(P), P-RSM2 NATL2A(Δ).
P-RSM4 9303(P)
100/59
“S-ShM1 6501(S)”
“S-SSM1 6501(S)”
60
79/60
P-RSM3 NATL2A(Δ)
P-SSM10 NATL2A(P)
91/83
ProMED4
ProMIT9515
ProMIT9302
92/76
HL
Prochlorococcus
84/84
100/85
56/82
ProMIT9312
P-SSM2 NATL1A(P)
Prochlorococcus
myovirus group 2
97/78
P-SSM3 NATL2A(P)
P-RSM5 NATL1A(P)
P-SSM8 9211(P)
91/
ProNATL2A
ProMIT9211
ProSS120
66/
93/61
LL
Prochlorococcus
ProMIT9313
ProMIT9303
100/98
61/71
P-SSP5 9515
P-SSP7 MED4
98/75
7234
Prochlorococcus
podoviruses
99/90
P-GSP1 MED4
P-SSP3 9312
P-SSP6 9515
100100
Anab 4
Anab 2
Anab 3
Anab 1
Syncy 3
Sync
y
2
59/51
97/85
10071
5069
freshwater cyanobacteria
10098
78/76
93/52
Thermo 3
Thermo 1
Thermo 2
100/54
74/82
Gloe A
0.1 substitutions per positon
Figure 12:
Phylogenetic tree of
psbA
gene sequences from cultured cyanobacteria and cyanophages. Phages are listed by
their name, followed by their original host. Phages that are known to infect both
Prochlorococcus
and
Synechococcus
hosts are
indicated with a “Δ”; those that infect only one genus are labeled either P (infect only
Prochlorococcus
hosts) or S (infect only
Synechococcus
hosts), while those that are unknown are designated with a “?”. Phages shown in italics and bracketed with “**”
were isolated on hosts that do not belong to the same cluster and are thus exceptions to the general clustering pattern. Taxa
are color coded according to the following biological groupings: myoviruses (red), podoviruses (black), marine
Synechococcus
hosts (light blue), marine
Prochlorococcus
hosts (dark green, LL; light green, HL), freshwater cyanobacteria (dark blue). The
tree topology was estimated by LogDet analysis of 1st and 2nd codon positions. Sequences where intragenic recombination
was detected using other methods (see Materials and Methods) were not included in these phylogenetic analyses. Branch
lengths were estimated by maximum likelihood under a model with nonstationary nucleotide frequencies. Numbers at the
nodes represent neighbor-joining bootstrapping and maximum likelihood puzzling support. Anab,
Anabaena;
Gloe, Gleobacter;
HL, high-light adapted; LL, low-light adapted; Syncy,
Synechocystis;
Thermo,
Thermosynechococcus
. With the kind permission
of S. W. Chisholm, Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA. [Sullivan
et al
. (2006)
PLoS Biol
4(8):
e234. doi:10.1371/journal.pbio.0040234] doi:10.1371/journal.pbio.0040234.g001.
Color image of this figure appears in the color plate section at the end of the topic.
