Results 241 to 250 of about 57,572 (278)

Protein Language Model‐Guided Engineering of a 2,3‐Butanediol Dehydrogenase for the Enantioselective Synthesis of Cyclic α‐Hydroxy Ketones

Advanced Science, EarlyView.
A (2R,3R)‐butanediol dehydrogenase from Bacillus subtilis (BsBDH) is engineered for the enantioselective synthesis of 2‐hydroxycyclohexanone. A PASS computational design strategy is proposed to enhance the thermostability of BsBDH. Moreover, ESM‐1v combined with ISM is utilized for enhancing and inverting its stereoselectivity.
Haote Ding, Ling Jiang, Yijia Song, Zhongji Pu, Lirong Yang, Haoran Yu   +5 more
wiley   +1 more source

Dermatoglyphics and schizophrenia: A comprehensive review of neurodevelopmental biomarkers. [PDF]

World J Psychiatry
Bou Farah E, Beydoun K, Nasr L, Chokor Z, Ghanem S, El Fassih I, Akiki S, Moghnieh R, Tlaiss Y, Farhat H.   +9 more
europepmc   +1 more source

Effects of chemical and hydrological stress on the wing morphology of a damselfly. [PDF]

Environ Entomol
Mauser KM, Paudel S, Sigmund O, Entling MH, Ott J, Brühl CA.   +5 more
europepmc   +1 more source

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Fluctuating asymmetry and sexual selection

Trends in Ecology & Evolution, 1994
Behavioral ecologists are being attracted to the study of within-individual morphological variability, manifested in random deviations from bilateral symmetry, as a means of ascertaining the stress susceptibility of developmental regulatory mechanisms.
P J, Watson, R, Thornhill
openaire   +2 more sources

The Ontogeny of Fluctuating Asymmetry

The American Naturalist, 2003
We tested seven hypotheses regarding the mechanisms by which fluctuating asymmetry (FA) originates. We did this by analyzing data on four bilateral characters measured repeatedly during the development of individual domestic fowl. Immediately posthatching, there was substantial directional asymmetry, which rapidly decreased.
Kellner, James R., Alford, Ross A.
openaire   +2 more sources

Fluctuating dermatoglyphic asymmetry in psychotic twins

Psychiatry Research, 1989
Fluctuating asymmetry of bilateral morphological traits is the result of prenatal developmental instability and has been shown to be greater in organisms having more homozygous genotypes (aabb vs. AaBb, for example). This expected increase in fluctuating asymmetry has been found among individuals having a high degree of liability for schizophrenia, as ...
T A, Markow, I I, Gottesman
openaire   +2 more sources

Fluctuating asymmetry predicts human reactive aggression

American Journal of Human Biology, 2004
AbstractFluctuating asymmetry (FA) represents non‐directional deviations from perfect symmetry in morphological characters. Prenatal stressors contribute to the imprecise expression of symmetrical phenotypes and display of agonistic behavior in children and adults.
Zeynep, Benderlioglu, Paul W, Sciulli, Randy J, Nelson   +2 more
openaire   +2 more sources

Fluctuating asymmetry and aggression in boys

Human Nature, 1998
Fluctuating asymmetry (FA) is small deviations from perfect symmetry in normally bilaterally symmetrical traits. We examined the relationship between FA of five body traits (ear height, length of three digits, and ankle circumference) and self-reported scores of physical and verbal aggression in a sample of 90 boys aged 10 to 15 years.
J T, Manning, D, Wood
openaire   +2 more sources

Condition-dependent asymmetry is fluctuating asymmetry

Journal of Evolutionary Biology, 1999
Abstract Asymmetry has been demonstrated to play a role in signalling systems such as sexual selection and pollination, with receivers showing a preference for symmetrical signals. Large signals often have the smallest degree of asymmetry, a finding that is consistent with signal asymmetry being condition-dependent. The kind of asymmetry
openaire   +1 more source