of
phage genomes,
rolling
circles a\d,, )87f,
)97-)98
phage
T4, 445448,447f
restarting,
primosome
for,
45 145), 452f,
45)f
semidiscontinuous, 442
single-strand
DNA, 415437, 436f
speed,
381
unidirectional,
37 8-) 80, )7
8f
,
37 9
f
ys
cell cycle
condition, 177
Replication-defective transforming
viruses,
558, 558/
Replication
errors
definition
of, 502, 502f
repair
systems, 5ll-5I), 5l2f,513f
Replication eyes
bidirectional vs unidirectional,
)7 8-)7 9,
37 8f
in
circular replicon,
j79,
)791
definition of, )7 8, 37 8f
measurement of replicon
size and, 18l,
38lf
Replication forks
foci formation,
383-)84, )84f
generation,
of hemimethylated
sequences,
5J8
initiation,
378, )78f
movemenl
detection
of, 379-380,
j79f,
)8Of
estimation of,
l8l
stalled
disassembly,
tus-ter complex and,
45245),451f
from DNA damage, 451452,
452f
reactivation. 45245), 45)f
repair by recombination, 452,
4r2f
replication-repair
pathways
for, 5 I 1-5 I l,
5r2f,517f
ler elements
and,
45245),
453f
Replication forms, creation, at
origin, 44845O,
448f.449f
Replication slippa
ge,
| 2a-125,
125
f
Replicative transposition
cointegrates and, 531-133,
532f
definition of, 527, 527f
TnA family, 5)4-i)6, 5jrf
Replicons,
37 6-)91 See also specific replicons
circdar, 179,
)79f
definition of, 177
on eukaryotic chromosomes, 381-384,
387f, )84f
extrachromosom al, )
9
2407
in homologous recombination,
512
Iinear
5' end and,
393-394,194f
vs circular replicons. 178-179.
)781
origins. 377
autoradiography of, 380, 180/
electrophoresis ol,
j7
9-3
80, 37 9
f,
)80f
plasmid
incompatibility and, 421, 42lf
regional controls, 184
rolling circles and, )96-)97
,
)96f, 197f
size, )8), )8)f
Iermlnus, J / /
Replisome, 429,447
Repression
binding of repressor to more than
one operator and,
1t5-116
definition of, 106
in ligand absence, steroid receptors and,
658, 658/
methylated CpG doublets and, 615
polycomb group proteins
and,824-826, 825f
repressor-operator binding and,
j
17
-j
I
8, 3
|
8f
oI transcriplion, by histone deacetylation.
808. 808/
Repressors
autogenous control
(autogenic
circuit), 319-720,
)20f, )65-)66, )65f
binding to operator, SlS-316, )13f, )14f
blockage of lytic cycle, )65,365f
competition
with low-affinity sites,
)\7-)t9, )t9f
loop formation, )15-)16,
jl,5f, jl6f
rate
of dissociation from, I I 4
release, inducer
binding and, )14-j15,
)I5f
RNA
polymerase
binding and, 3
I
6
simultaneous
at two separate sites,
)15-)t6, )t5f
cleavage
lytic cycle induction
and,36l-32,
)6lf
RecA
protein
activation and, 5 14
conformation, DNA-binding and,, )12, )12f
control
of lac
gene,
704-)05, )05f
by small-molecular inducer, 306-308,
)07f
defective,
constitutive expression
and, 309, 309f
definition
of, 103
dimers
cooperative
binding with operator,
164, )65f
cooperative inter acrions, )67, ) 67
f
DNA-binding,
lll
equilibrium equation and, )17, 317f
form,36l-362,
)6If
helix-turn-helix motil a\d, )62,
j62f
specificity, helix-turn-helix
motifs and, )6)-364,
)6jf, )64f
DNA-binding sites
half-turn, )62,362f
high-affinity,
jl6-)17
low-affinity, )16-)17
mutations in, )12-)l), )llf
domains,
j6l,
36lf
C-terminal, )61, )6lf
DNA-binding,
j12,3l2f
N-terminal, )6I,36lf
headpiece, )10, )12
histone deacetylases and, 808, 808/
homeodomain
proteins,
660
IPTG
complex binding, I t 5
isolation, 3 I
l
/ac operon, )07-)08, )07f
monomers
domains of, 3 t0-3 t l, 3 l0/
structure of, ll l, 3l l/
mutations, )09, )12-)\1, lllf
N-terminal domain, )61-)64, 164f
octamer formation, )67-)68, )67f
at
OR2,
interaction
with
RNA
polyfll€rose at Pnu,
)65-)66,366f
paftitioning
on DNA, ll7
phage
lambda lytic
cascade
and, 159-360
positive
control
mutations, 365-166, 366f
as
positive
regulator,
)65-)66,
j6rf
promoter-binding proteins,
648-649,
649f
recognition helix, 659
release
direct model of, )14415,315f
equilibrium
model
ol,
]14, )l5f
synthesis, )68, )68f
c,',
gene prevention
of, l7 I
lysogeny
pathway
and, )68-)70,
)69f
tetramenc core
dimers
in,
)11,31lf, )I2f
monomers in, ll l, lI
U
mutations, )I1,
jllf
as
repression requirement, I I 0
translational, )24,
j24f
Rereplication, eukaryotic,
licensing factor control
of,
)85-386, 786f, 787
f
Resolution
breaking and rejoining bonds
in, 536
delinition of,
463, 5)2
Holliday
junction,
463,
464f
Resolution site
(/'eJ
site), 535
Resolvases
definition of, 527, 532
Holliday
junctions
a\d,
47
)47
4, 47 4f
in TnA transposition, 534-5)6,
5)5f
Response elements
binding,
activation by Iigand binding,656, 656f
definition oI, 641
on metallothionein
gene,
650, 650/
parrnoromrc,
6) /
,
o) /J
recogniton
specificity of, 658,
658f
by steroid
receptors, 657-658, 657f,658f
recognition, by
activators, 649-65
l,
650f
stetolo,
nalr
slles,
o)/, o)/_r
rds site
(resolution
site), 515
Restriction endonucleases,
DNA cleavage, )940, 40f
Restriction
enzymes, at methylated sites,
632-6)),672f
Restriction fragment
length
polymorphism (RFLP)
delinition of,
58, 58/
disease
genes
and
,
58-59.
59f
for
genetic
mapping,58-60,
59f
Restriction
maps
CDNA vs
genomic
DNA, 40, 4tl
construction, 56-57
definition of,
40, 40/
tandem
gene
clusters,
I l2-1 Il,
I I3l
Restriction site
polymorphisms,
58,
58/
Reticuloendothelial
system,
220
Retinoic acid, 614,
654f
Retroposons,550-568
classes. 562-564, 5 62f-5
64f
definition of,
55 I
in Drosophila
melanogaster, 561-562,
56lf
LTR-containing,
563
in
plants,
561
reverse transcriphses, 56j,
56jf
T! elements
in
yeast,
559-561, 559f-
56lf
Retrotranslocation.
Sed
Reverse translocation
Retrotransposons. See
Retroposons
Retroviruses,
55O-568
budding,
551,553f
copy choice
recombination,
556, 556f
definition
of, I I
DNA, 554, 554l
J enos,
))/
) enos, ))/
rntegranon, >)t.
))/J
integration
into chromosome,
556-557, 557f
gag gene,
T! elements and,
559, 5591
gag
terminariort
codon,
552-553
genes,
coding lor
polyproteins,
552-553, r53f
mRNA, 552
as
plus
strand
viruses, 554
pol
gene,
Q
elements and, 559,559f
po1
reading frame, 552-55)
repf ication-defective
transforming,
558, 558f
reproductive cycle,
551-552, 551f,
552f
retroposons,
reverse transcriplases,
563, 563f
RNA, 554,
554l
RNA-dependent
transposition
and, 55
I
RNA
genomes,
555-556
transduction,
of cellular
sequences, 558-559,
558f
translation,
2 I l
Retrovoiruses,
in human
genome,
56)-564,
564f
Reverse
transcriptases
copy choice
recombination,
556, ,56f
definition ol,
552,554
Index 885