PNAS

Dux cluster duplication ensures full activation of totipotent genes

Among them, Dux has been considered as a master inducer for regulating ZGA process (3 – 5). Dux (also named as Duxf3) in mice and its human homolog DUX4 are double homeodomain genes activated during ...
PNAS

ACETYLATION AND METHYLATION OF HISTONES AND THEIR POSSIBLE ROLE IN THE REGULATION OF RNA SYNTHESIS

Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following publication. Citation ...
PNAS

COMMUTATORS OF SINGULAR INTEGRAL OPERATORS

COMMUTATORS OF SINGULAR INTEGRAL OPERATORS*Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear ...
PNAS

A Biometric Study of Human Basal Metabolism

A Biometric Study of Human Basal MetabolismOptimism is a psychological attribute characterized as the general expectation that good things will happen, or the belief that the future will be favorable ...
PNAS

Publication Charges

PNAS depends, in part, on the payment of article processing charges (APCs) to finance its operations. Papers are accepted or rejected for publication and published solely on the basis of merit. For ...
PNAS

The ergodicity question when imaging DNA conformation using liquid cell electron microscopy

Assessing the ergodicity of graphene liquid cell electron microscope measurements, we report that loop states of circular DNA interconvert reversibly and that loop numbers follow the Boltzmann ...
PNAS

In This Issue

Meteorites provide important information about the formation of the Solar System and the distribution of solids and volatiles throughout it. However, meteorites that land on Earth display biases ...
PNAS

In This Issue

Humpback whale (Megaptera novaeangliae) diving. X-ray ptychography is an imaging technique that could potentially produce single-digit, nanometer-scale visualizations of internal structures without ...
PNAS

James A. Estes: An ecologist’s quest to understand nature

For five decades, Jim A. Estes studied sea otters in the Aleutian archipelago of Alaska, discovering how otters structured entire communities. By consuming sea urchins, otters released kelp from ...
PNAS

Partial Self-Incompatibility in Medicago Sativa

Partial Self-Incompatibility in Medicago Sativa*Optimism is a psychological attribute characterized as the general expectation that good things will happen, or the belief that the future will be ...
PNAS

THE KINETICS OF FORMATION OF NATIVE RIBONUCLEASE DURING OXIDATION OF THE REDUCED POLYPEPTIDE CHAIN

Emotions coordinate our behavior and physiological states during survival-salient events and pleasurable interactions. Even though we are often consciously aware of our current emotional state, such ...
PNAS

ON THE CONCEPT OF FIBER SPACE

ON THE CONCEPT OF FIBER SPACENote: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately ...