13.09.2022 Views

Molecular Biology of the Cell by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter by by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morg

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

I:50 Index

and riboswitches 415

and RNA processing 315–316

transcription factors see transcription

regulators

transcription initiation

chromatin modification using 387–388

in eukaryotes 310–313, 387

and termination 306–309

transcription initiation complexes 311

transcription rate constants 513

transcription regulators (transcription

factors)

ability to read DNA sequences

374–375

activating differentiation 1170–1171

in bacteria 380–383

chromatin immunoprecipitation and

505

in chromatin modification 196–197,

199–201, 206

combinatorial gene control 396, 397F,

399, 520–521

controlled activation 395, 396F

cooperative binding 378–380, 517F

dimerization 375–378

in eukaryotes 384–392

extracellular signaling 867–880

Hox modulated 1163

ligand-modulated 874–876, 877F

maintaining embryonic stem cells

1254–1255

master transcription regulators

398–399, 1171

neurons expressing 1200F

p53 protein as 1116

as proteins 30

role and mode of operation 373–380,

389–390

sequential expression 1179

in specialized cells 399–400

as switches 384–392, 402–403

in the syncytial blastoderm 1157

see also latent transcription regulators;

transcription activators;

transcription repressors

transcription repressors (repressor

proteins)

activators and 381–383, 394

binding site occupancy 514

co-repressors 385, 386F, 392, 394,

395F

combinatorial controls 394–395

DNA inversion and 294F

DNA methylation and 405

fusion with bacterial Cas9 497

negative feedback 402, 515

switch to activators 868, 871

tryptophan repressor 376, 380–383,

392

transcription units 306

transcriptional activators, regulators,

repressors see transcription

activators etc.

transcriptional synergy 388–389

transcytosis 732, 737, 738F, 749F

transdifferentiation 1258–1259

transducin (G t ) 845, 846T, 848

transduction and horizontal gene transfer

1268

transesterifications in RNA splicing 318,

321

transfer RNAs (tRNAs)

function 7, 305, 334

initiator tRNA 347–348

and the nucleolus 330

ribosomal binding sites 347

structure 335F

unusual bases 335F, 337F

transferrin 427, 553F

transferrin receptor 734–735

transformation, horizontal gene transfer

by 1268

transformed phenotypes 1098, 1106

transforming growth factor-β see TGFβ

transgenic organisms 495–497, 500, 506,

543, 1221F

transgenic plants 507–508

transit amplifying cells 1121–1122, 1219,

1220F, 1223, 1225, 1226F

transition-metal ions 764–766

transition states, enzyme stabilization of

141–146

translation

accuracy and free energy 345–346

co-translational protein folding

353–354, 355F

conserved gene families 20, 21T

control with 3ʹ and 5ʹ UTRs 422–423

control with IRES 425–426

converting RNA into proteins 6–7,

315F, 333–362

initiation and termination 347–349

messenger RNA in 343–344

quality control 351–353

ribosome profiling technique 505–506

speed of 346

stepwise 343–344F

translation initiation mechanisms 425F,

1288

translation recoding 350

translational control, gene expression

372, 373F

translational repressors 623

translesion polymerases 273, 274F

translocation steps, ribosomal 342

translocations 487

translocator proteins 1270–1271F

the translocon 677

transmembrane proteins

adhesion proteins 1037

association with the lipid bilayer 577F

ATG9 as 726

β-barrels in 579–581, 659, 662–663

cadherins and integrins as 1037

death receptors as 1024

enzyme-coupled receptors as 849

ER capture 672

fates of endocytosed 738F

hydrophobicity 577, 579F, 593

integration process 678

IRE1 as a transmembrane protein

kinase 687

most receptors as 816

Notch as 720

PERK as a transmembrane protein

kinase 688

single-pass and multipass 578–579

SRP receptor as 674

see also multipass; single-pass

transmission electron microscopy (TEM)

305F, 554, 555–556F, 558, 1210F

transmitter-gated ion channels 614,

627–632, 636

A-to-I editing 418

acetylcholine receptors as 630–631

allostery in 618, 825

ion-channel-coupled receptors 817F,

818, 843

types in neurons 631, 636

transport ATPases (ATP-driven pumps)

601–602, 606–607

transport proteins, inner mitochondrial

membrane 779–780

transport vesicles 644–648, 650, 656F,

670, 691

coated vesicles 697

formation 701

scope 695

see also vesicular transport

transporters (protein) 599

in epithelial cells 605

in plants 883

regulation of cytosolic pH 604–605

transposable elements (transposons)

conservative site-specific

recombination and 293

DNA-only transposons 288–290

double-stranded RNA in 421

eukaryotic genomes 28

and genome changes 217–218, 222

nonretroviral retrotransposons 291

retroviral-like transposons 291

RNA interference and 429, 432–433

three classes 288T, 292

virulence genes 1268

transposition 287–292

trastuzumab 1137

treadmilling, actin filaments 901,

903–904, 953–954

tree of life see phylogenetic trees

triacylglycerols 78, 81, 83F, 98–99

tricarboxylic acid cycle see citric acid

cycle

tricellulin 1049

trichothiodystrophy 497F

trigger mechanism of invasion 1281,

1282F, 1285F

triskelions, clathrin 698, 699F

Trithorax group proteins 1164

Triton X−100 583, 584F

TrkA kinase 853–854, 1209

tropoelastin 1065

tropomodulin 905, 909, 919, 920F

tropomyosin 416, 592F, 905, 907–910,

920F, 921, 922F, 923

α-tropomyosin gene 319F

troponins 921–923

trypanosomes 689, 805, 1290

Trypanosoma brucei 1266, 1290

Trypanosoma cruzi 1283–1284, 1290

trypsin 119, 132T, 440, 456–457, 942F

tryptophan, structure 113

tryptophan repressor 376, 380–383, 392

TSH (thyroid-stimulating hormone) 835T

tube and vesicle formation 1192

tube worms 12F

tubules

branching tubular structures 1190

vesicle budding events 705

see also microtubules

tubulin subunits 893–894, 904T, 927,

928–929, 934–935

α-tubulin 925, 926

β-tubulin 926F, 927

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!