Oscillatory stimuli differentiate adapting circuit topologies. Rahi, S. J., Larsch, J., Pecani, K., Mansouri, N., Katsov, A. Y., Tsaneva-Atanasova, K., Sontag, E. D., & Cross, F. R. Nature Methods, 14:1010-1016, 2017. abstract bibtex Elucidating the structure of biological intracellular networks from experimental data remains a major challenge. This paper studies two types of ``response signatures'' to identify specific circuit motifs, from the observed response to periodic inputs. In particular, the objective is to distinguish negative feedback loops (NFLs) from incoherent feedforward loops (IFFLs), which are two types of circuits capable of producing exact adaptation. The theory of monotone systems with inputs is used to show that ``period skipping'' (non-harmonic responses) is ruled out in IFFL's, and a notion called ``refractory period stabilization'' is also analyzed. The approach is then applied to identify a circuit dominating cell cycle timing in yeast, and to uncover a calcium-mediated NFL circuit in \emphC.elegans olfactory sensory neurons.
@ARTICLE{rahi2017,
AUTHOR = {S. J. Rahi and J. Larsch and K. Pecani and N. Mansouri and
A. Y. Katsov and K. Tsaneva-Atanasova and E. D. Sontag and
F. R. Cross},
JOURNAL = {Nature Methods},
TITLE = {Oscillatory stimuli differentiate adapting circuit
topologies},
YEAR = {2017},
OPTMONTH = {},
OPTNOTE = {},
OPTNUMBER = {},
PAGES = {1010-1016},
VOLUME = {14},
KEYWORDS = {biochemical networks, periodic behaviors,
monotone systems, entrainment, oscillations},
PDF = {../../FTPDIR/rahi_et_al_nature_methods_2017_reprint.pdf},
ABSTRACT = {Elucidating the structure of biological intracellular
networks from experimental data remains a major challenge. This paper
studies two types of ``response signatures'' to identify specific
circuit motifs, from the observed response to periodic inputs. In
particular, the objective is to distinguish negative feedback loops
(NFLs) from incoherent feedforward loops (IFFLs), which are two types
of circuits capable of producing exact adaptation. The theory of
monotone systems with inputs is used to show that ``period skipping''
(non-harmonic responses) is ruled out in IFFL's, and a notion called
``refractory period stabilization'' is also analyzed. The approach is
then applied to identify a circuit dominating cell cycle timing in
yeast, and to uncover a calcium-mediated NFL circuit in
\emph{C.elegans} olfactory sensory neurons.}
}
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