miRNA constrained life (2)

By: Jim Kohl | Published on: June 1, 2026

miRNA constrained life (1)
@Grok repeatedly reasserts its moronic claim that “Data from model organisms refines our understanding of energy-dependent, miRNA-mediated processes in biology… Life operates through these physical and molecular mechanisms; data helps us accurately describe them. [AND ASKS]: What miRNA, pH, or autophagy research ties directly to speciation in your view?

In my model, life and speciation are energy-dependent and miRNA-mediated via transgenerational epigenetic inheritance of morphological and behavioral phenotypes across kingdoms. See also: 197,498 results from today’s search of the PubMed database for the term “miRNA

Grok
“miRNAs regulate gene expression and show promise in contexts like epididymosome transfer to sperm, influencing fertility and some early developmental or stress-related phenotypes in lab models. Limited transgenerational epigenetic effects via small RNAs are documented in specific cases.

These mechanisms add important layers to phenotypic plasticity and gene regulation. They do not, however, establish energy-dependent miRNA mediation via transgenerational epigenetics as the primary driver of speciation or biodiversity across kingdoms.

Speciation is robustly explained by heritable genetic changes, selection, drift, and reproductive isolation, as shown in extensive genomic, fossil, and experimental data from model organisms. miRNA roles in adaptive traits (e.g., certain butterfly pigmentation patterns) fit within that genetic framework rather than replacing it.

Direct evidence that miRNA/pH/autophagy processes alone cause speciation events, independent of DNA sequence divergence, remains absent from the literature. The volume of miRNA papers reflects active molecular research, not validation of any single model.

Data from genomes, CRISPR edits, and evolutionary studies continue to refine accurate descriptions of these processes. Specific citations linking your framework directly to speciation would be useful.”

Useful to who, for what? When Grok claims there no “Direct evidence that miRNA/pH/autophagy processes alone cause speciation events, independent of DNA sequence divergence…” it lies because RNA-directed DNA methylation is the direct link throughout the extant literature published by intelligent serious scientists.

See: RNA-directed DNA methylation 772 results and NOVA scienceNOW : 8 – RNAi 7/23/12

Discussion?
The post by James V. Kohl (@microRNApro) links to his article “miRNA constrained life (1)” and criticizes Grok’s view that data from model organisms refines understanding of miRNA processes, instead asserting that life and speciation are energy-dependent and miRNA-mediated via transgenerational epigenetic inheritance of phenotypes across species.
Kohl’s longstanding model, detailed in his 1996 paper “From Fertilization to Adult Sexual Behavior,” connects biophysical constraints like miRNA transfer via epididymosomes, pH regulation, autophagy, and hormone-driven pathways to fertility, brain development, and biodiversity, as supported by recent 2026 studies on sperm miRNA modulation.
The exchange reflects a broader debate where Kohl emphasizes PubMed’s ~197k miRNA papers and animal model evidence for species-specific mechanisms over standard evolutionary explanations relying on genetic changes, selection, and reproductive isolation.

Kohl
Re: “The exchange reflects a broader debate where Kohl emphasizes PubMed’s ~197k miRNA papers and animal model evidence for species-specific mechanisms”

@Grok appears to remain unconvinced by ~197k miRNA papers and animal model evidence that all biodiversity on Earth is energy-dependent and miRNA-mediated.

It makes claims about debate without telling anyone who is involved in the debate for comparison to The Consensus CDS (CCDS) project “…a collaborative effort to identify a core set of human and mouse protein coding regions that are consistently annotated.”

Why isn’t anyone involved in debate responding to claims based on Kohl’s detailed model that links energy-dependent changes in molecular distance from angstroms to ecosystems? https://pbs.twimg.com/media/HJsQldCWwAIho5A?format=jpg&name=small

Grok
James V. Kohl (@microRNApro) posts a rebuttal in an ongoing exchange with Grok, arguing that nearly 197,000 PubMed miRNA papers and model organism data establish all biodiversity as energy-dependent and miRNA-mediated through transgenerational epigenetic inheritance, pH regulation, and autophagy.
The post quotes Kohl’s blog entry “miRNA constrained life (1)” linking recent 2026 studies on circadian rhythms, NRF2 signaling, and epididymosome miRNA transfer (e.g., miR-935) to sperm fertility and his 1996 model of biophysical constraints from fertilization to adult sexual behavior.
An accompanying diagram maps sunlight, water, molecular epigenetics, virus effects, HPA axis, and feedback loops to connect subatomic processes to brain development, aging, reproduction, and minimal stress, positioning sympatric speciation as miRNA-constrained rather than explained by mainstream evolutionary synthesis.

Kohl
Re: “…positioning sympatric speciation as miRNA-constrained rather than explained by mainstream evolutionary synthesis.”
@Grok See also, Merian (1679), Darwin (1859) and “The Bull Sperm MicroRNAome and the Effect of Fescue Toxicosis on Sperm MicroRNA Expression” 12/2/14

Grok
Thanks for the historical and scientific references. Merian’s detailed work on caterpillars and plants advanced understanding of life cycles and interactions. Darwin built the selection framework. The 2014 paper links environmental stress to altered sperm miRNAs. miRNAs regulate genes and can affect heritable variation. Sympatric speciation is addressed in evolutionary biology by mechanisms including regulatory changes. What concrete miRNA or pH-dependent steps constrain sympatric speciation in this model?

Kohl
Re: “What concrete miRNA or pH-dependent steps constrain sympatric speciation in this model?”

Learn to ask intelligent questions.

@Grok Darwin built the selection framework on Merian’s understanding of life cycles and interactions linked to regulatory changes via diet and pheromone regulated reproduction.


Subscribe
Notify of
guest
0 Comments
Oldest
Newest Most Voted
Inline Feedbacks
View all comments

Want more on the same topic?

Swipe/Drag Left and Right To Browse Related Posts: