Publishing a book chapter in the fields of genetic toxicology and natural products with a reputable and open-access publisher involves several considerations. While many esteemed scientific publishers offer open-access options, they often require authors to cover publication fees. Here are some influential publishers and journals to consider:

1. Springer Nature

Open Access Books: Springer Nature publishes open-access books across various scientific disciplines, including life sciences and medicine. Publishing a chapter in an open-access book may involve a publication fee. More information is available on their open science page.

Relevant Titles: Books like "Genetic Toxicology: Principles and Methods" are part of Springer's catalog, though access may require subscription or purchase. Details can be found on SpringerLink.

2. American Chemical Society (ACS)

Journal of Natural Products: Co-published by the ACS and the American Society of Pharmacognosy, this journal focuses on the chemistry and biochemistry of natural compounds. While it's a prestigious journal, publishing here may require a fee unless your institution has a subscription. More information is available on the journal's page.

3. MDPI

Molbank: An open-access journal covering synthetic and natural product chemistry. MDPI journals are fully open access, but authors are typically required to pay an Article Processing Charge (APC). Details can be found on MDPI's website.

4. Wiley

Phytotherapy Research: This peer-reviewed journal publishes research on medicinal plant research, including pharmacology and toxicology. While it's a reputable journal, access and publication may involve fees. More information is available on Wiley Online Library.

Considerations:

Publication Fees: Open-access publishing often requires authors to pay publication fees. It's essential to review each publisher's fee structure and consider funding options.

Predatory Publishers: Be cautious of publishers with questionable practices. Always verify the publisher's reputation and review process before submitting your work.

Institutional Support: Some institutions have agreements with publishers or offer grants to cover publication fees. Check with your institution's library or research office for support options.

While publishing a book chapter without incurring any fees can be challenging, especially with high-impact publishers, exploring these options and understanding the associated costs can help you make an informed decision.