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An antibiotic of the aminoglycoside family that poisons translation by binding to the ribosomes.
An antibiotic of the aminoglycoside family that inhibits translation by binding to the ribosomes. Important as a substrate for selection of plant transformants.
- Browse Related Terms: Arabidopsis, aureofacin, chloroplast DNA, dominant marker selection, kanamycin, model, pat gene, plantibody, screen, stacked genes, T0, T1 and T2, transgenesis, Transgenic plant
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Kanamycin resistance gene. (See Selectable marker.)
Kanamycin-resistance gene. See: neor, selectable marker.
- Browse Related Terms: ARMG, cos sites, cosmid, dominant selectable marker, kanr, neomycin phosphotransferase II, neor, selectable marker, tetracycline, Thymidine kinase (tk)
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One of two classes of antibody light chains. The other is a lambda chain.
- Browse Related Terms: abzyme, antibody class, antibody structure, complementarity-determining regions, DAB, Fab, FC, hypervariable region, IgA/Igd/IgG/IgE/IgM, immunoglobulin, immunosensor, in situ hybridization, kappa chain, lambda chain, V region
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The fusion of nuclei or nuclear material that occurs at fertilization during sexual reproduction.
- Browse Related Terms: ascus, asexual propagation, breeding, juvenility, karyogamy, meiosis, Mendelian population, parasexual cycle, propagule, rejuvenation, reproduction, sex hormones, transition stage
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A diagrammatic representation of the full chromosome set of a species, highlighting characteristic physical features of individual chromosomes.
- Browse Related Terms: balanced lethal system, chromomeres, chromonema, chromosome banding, chromosome mutation, compound chromosome, endomitosis, endoreduplication, fluorescence in situ hybridization, gene insertion, gene replacement, genome, hybrid dysgenesis, Independent assortment, jumping library, karyogram, lampbrush chromosome, locus, Locus (plural = loci), meiotic drive, paternal, polymorphism, Restriction fragment length polymorphism (RFLP), tetrasomic, walking, X-linked, zoo FISH
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- Browse Related Terms: acellular, amitosis, anaphase, cell division, cell fusion, centriole, centrosome, cybrid, cytokinesis, embryo sac, Enucleated oocyte (cytoplast), enucleated ovum, karyokinesis, micro-isolating system, mitogen, restitution nucleus
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All of the chromosomes in a cell or an individual organism, visible through a microsope during cell division.
The chromosome constitution of a cell, an individual, or of a related group of individuals, as defined both by the number and the morphology of the chromosome s, usually in mitotic metaphase; chromosomes arranged in order of length and according to position of centromere; also, the abbreviated formula for the chromosome constitution, such as 47, + 21 for human trisomy-21 (Down's syndrome).
- Browse Related Terms: bacterium, Germ cell (germ line) gene therapy, germ cell gene therapy, karyotype, micro-organism, microfibril, organ, RACE, trisomic
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Abbreviation for kilobase (of single-stranded nucleic acid).
- Browse Related Terms: ARS, chloroplast transit peptide, KB, kbp, PNA, replicative form, RF, ribulose biphosphate, RNA
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Abbreviation for kilobase pairs (of double-stranded DNA ).
- Browse Related Terms: ARS, chloroplast transit peptide, KB, kbp, PNA, replicative form, RF, ribulose biphosphate, RNA
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The catalytic rate constant that characterizes an enzyme-catalysed reaction. The larger the kcat value, the faster the conversion of substrate into product.
- Browse Related Terms: autocatalysis, biocatalysis, biosensor, chemiluminescence, enzyme bioreactor, enzyme kinetics, glycolysis, kcat, kcat/Km, kinetics, tracer, Transition-state intermediate, Vmax, zymogen
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The catalytic efficiency of an enzyme-catalysed reaction. The greater the value of kcat/Km, the more rapidly and efficiently the substrate is converted into product.
- Browse Related Terms: autocatalysis, biocatalysis, biosensor, chemiluminescence, enzyme bioreactor, enzyme kinetics, glycolysis, kcat, kcat/Km, kinetics, tracer, Transition-state intermediate, Vmax, zymogen
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Abbreviation for dissociation constant. Describes the strength of binding (or affinity) between molecules and their ligands . See: avidity.
- Browse Related Terms: artificial insemination, external guide sequence, IGS, internal guide sequence, ITS, Kd, thermal gel gradient electrophoresis
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Abbreviation for kiloDalton. A unit of molecular mass equal to 1000 Dalton.
- Browse Related Terms: Dalton, hanging droplet technique, kDa, MDA, megaDalton, multiple drop array
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T cells that kill cells displaying recognized antigens.
- Browse Related Terms: avidin, glaucous, killer T cell, macrophage, rinderpest, scarification
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(Abbreviation: kb). A length of single-stranded nucleic acid composed of 1000 bases. One kilobase of single-stranded DNA has a mass of about 330 kiloDalton (exact mass depends on base composition).
- Browse Related Terms: Base pair, beta-DNA, complementary, Complementary DNA or RNA, complementary entity, Denature, denatured DNA, DNA, DNA (deoxyribonucleic acid), double helix, ethidium bromide, helix, intercalating agent, kilobase, kilobase pairs, melting temperature, mismatch, Nucleic acid, Palindrome, single-stranded nucleic acid, supercoil, Viroid, Z-DNA
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(Abbreviation: kbp). A length of double-stranded DNA composed of 1000 base pairs.
- Browse Related Terms: Base pair, beta-DNA, complementary, Complementary DNA or RNA, complementary entity, Denature, denatured DNA, DNA, DNA (deoxyribonucleic acid), double helix, ethidium bromide, helix, intercalating agent, kilobase, kilobase pairs, melting temperature, mismatch, Nucleic acid, Palindrome, single-stranded nucleic acid, supercoil, Viroid, Z-DNA
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An enzyme that catalyses the transfer of a phosphate group from a high energy state (as in ATP) to another molecule.
- Browse Related Terms: aminoacyl tRNA synthetase, amylase, beta-galactosidase, Cellulase, dehydrogenase, DNA ligase, DNA topo-isomerase, enzyme, glucose invertase, glucose isomerase, hemicellulase, isomerase, kinase, lyase, monosaccharide, poly-(A) polymerase, Protein kinase, recombinase, terminal transferase, transferase, transposase
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Dynamic processes involving motion. Often used as a suffix to indicate studies involving movement or rates of reactions. See: pharmacokinetics, enzyme kinetics
- Browse Related Terms: autocatalysis, biocatalysis, biosensor, chemiluminescence, enzyme bioreactor, enzyme kinetics, glycolysis, kcat, kcat/Km, kinetics, tracer, Transition-state intermediate, Vmax, zymogen
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A cytokinin.
- Browse Related Terms: apoptosis, Availability, essential requirement, fertility factor, kinetin, micro-element, phytokinin, Stress
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Structure at the centromere of eukaryotic chromosomes. The kinetochore consists of inner and outer electron dense plates and a central zone containing repetitive DNA elements. Kinetochores are involved in the control of chromosome movement in cell division.
- Browse Related Terms: autonomous(ly) replicating segment (or sequence), Chromosomes, eucaryote, eucaryotic, extrachromosomal, kinetochore, Prokaryote, retrovirus, Telomerase, telomere