The phrase "altered both by" is correct and usable in written English.
It can be used when discussing changes or modifications that have been made by two different factors or influences.
Example: "The final design was altered both by client feedback and by the constraints of the budget."
Alternatives: "modified by both" or "changed by both".
"With this volume, I have tried to fill in the blanks," he writes, in essays on subjects ranging from Ebbets Field to Coney Island and the lost personalities of a borough that has been altered both by nature and by development.
The structure of the presupernova star is altered both by the changes in Ye and the entropy of the core material.
Chromatin structure can be altered both by histone posttranslational modifications (such as acetylation), which alter histone/DNA or histone/histone interactions, and by ATP-dependent chromatin remodeling complexes (such as SWI/SNF) [68].
Hedhly et al. (2009) proposed that plant sexual reproduction under temperature stress could be altered both by phenotypic plasticity (non-genetic responses) and evolution (genetic responses).
Dietary factors that can be altered both by dietary changes and by use of supplements have been a target of scientific investigation but results from epidemiological studies have been inconsistent [ 3, 5, 6].
In dogs, microbiota-derived metabolic markers are altered both during aging and by a 25% reduction in food intake (Wang et al, 2007).
Additionally, the residual IgD+CD27+ had an altered phenotype both by cell surface expression and gene transcription profiling.
We hypothesized that androgens directly regulate cervical remodeling by altering both collagen structure and proteoglycan composition.
Shape changes can be represented by altering both spatial location of control points and the corresponding weights towards the optimal design.
By altering both fold pattern and sheet thickness in the core, the same is achieved without altering the density of the core or the mass distribution of the sandwich beam.
In this connection, this work explored new experimental procedures in order to quantitatively check the potential of some culture conditions to induce a determined fungal morphology by altering both hyphal morphology and conidia adhesion capacity.
