Questions tagged [literature]

Questions about scientific journal papers, books or other written sources, or for requests for references.

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46 views

GABA in plants (article about its mechanism)

I am studing to plant physiology exam and i cross over the statment about GABA in plants. It said that level of GABA increasing my thermal shock. But mechanism of effect on plants is unknown. Can ...
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1answer
163 views

Molecular psychology/psychiatry literature/articles

I am new biology student which is on molecular biology subject on university. I would like to know something about genetic related to neurobiology, and certainly molecular psychiatry/psychology, ...
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1answer
148 views

Looking for the closest example of life forms similar to some mathematical patterns

Caveat: this is my first question here, it is quite interdisciplinary, but I hope to be in the correct place to ask. I am a user of Mathematics Stack Exchange since some years ago, and this question ...
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14 views

Do antibodies to an arbovirus in a bloodmeal reduce vector competence?

When we conduct mosquito infection studies we typically mix blood and virus rather than using viraemic blood from naturally infected hosts. I'm looking for a paper I read some years ago which ...
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1answer
572 views

Why do cats meow but lions and tigers roar?

So as far as I know the cat animals are related to each other by evolution. (Please correct me on this if I am wrong?) How come the big cats; lions, tigers et.c. roar but smaller cats like house ...
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2answers
127 views

Why is full cell/high antigen dose pertussis vaccine dangerous for adults?

I do remember that I have read (or heard) somewhere that as a human is older, the whole cell vaccine (and high antigen dose one) has more and more adverse effects. As it is consistent with the target ...
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208 views

How to cite a herbarium specimen

How do I cite a herbarium specimen that I have used to prepare a botanical description? Do I use the collector's name and number or the herbarium code and accession number? What if there is no record ...
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269 views

Did early 20th century researchers state why they used E. coli as a model organism?

I am investigating the early uses of E. coli as a model organism. Sadly, many early 20th century papers are not in English. In those that are, I have been unable to find explicit statements as to why ...
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1answer
72 views

Do cells communicate only in binary levels?

In modern communication we generally have various schemes to communicate the given signal, one of them is to convey information with different levels. does cell signaling too have levels apart from ...
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76 views

Kinetic mathematical model of glycolysis?

I am looking for papers containing kinetic mathematical models of glycolysis, hopefully in mammalian cells (or as close as possible, say yeast). The papers I have found do qualitative analysis (...
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10 views

Tests for object size discrimination in mammals?

Are there common testing protocols for establishing whether an animal (mammals especially) can distinguish the size of objects? In particular, are there procedures or is there good literature on ways ...
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2answers
92 views

Is arachnophobia connected to lower immunity against spider toxins?

Are arachnophobics more subceptible to toxical effects coming from spider toxins?
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Reference request for Sydney Brenner's “it might come in handy in the cretaceous” quote

In {1}, Richard Dawkins attributes a quote to Sydney Brenner without giving a citation. I'm preparing a publication on the same topic and if possible I would like to track down the original reference ...
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How much vitamin C has a noticeable effect on E.coli k12

I am doing a research on effects of different concentrations of vitamin C on serial dilutions of E.coli k12. I am looking for literature that has already shown effects of vitamin C on E.coli, but ...
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116 views

What happens to those molecules that are not received by receptor proteins on the cell membrane?

I am studying cell communication and come to know that proteins from outside environment gets received by receptors on the cellular membrane and then the signal is transduced inside the cell. My ...
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1answer
217 views

Can a novel protein domain arise de novo in nature or did all protein domains evolve from a single ancestor?

I know there is extensive research into the taxonomy and evolution of protein domains and many connections are, and are continuing to be, found between numerous domains. However, as far as I can see, ...
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2answers
132 views

What are the major differences between good study habits for biology vs mathematics? [closed]

I'm a math prof. But, I've always loved reading about biology (the paleobiology of microbes and some small animals mostly) it's my hobby but I want to learn more maybe take a course. My longer term ...
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44 views

3D Object Modelling in the Brain

Could somebody point out the neuroscience literature dedicated to the modelling of 3D objects in the human mind? I'm interested in the brain regions, and particularly the details of the circuitry, ...
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56 views

Visual maps of the neuronal membrane

There are lots of visual maps of the brain as a whole, especially the cortex, that show the distribution of "features" over a two-dimensional map, e.g. the Brodman areas (their morphology and their ...
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1answer
41 views

What is the preferred way to abbreviate amino acids?

Amino acids are often denoted using either a 3-letter abbreviation or a 1-letter notation, e.g. Glutamine is denoted via $\mathrm{Gln}$ or $\mathrm{Q}$. When one notation should be preferred over ...
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1answer
128 views

Specific examples of signalling pathway using logical 'OR' and 'AND'?

I have read here that "signals from two different pathways may be needed to activate a response, which is like a logical "AND." Alternatively, either of two pathways may trigger the same response, ...
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1answer
115 views

Spatiotemporal patterns in neural networks

It turns out that my work in nonlinear dynamics directly maps to a close variant of the Integrate and Fire model. My model produces spatiotemporal patterns that resemble foam. I have to stress that ...
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1answer
100 views

white blood cells and cancer cells transport through lymphatic vessels

It is a well-known fact that both of these cells can reach the lymphatic vessels from interstitial space. How does it do so physically? Are there any mathematical models describing this process? It ...
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92 views

The human brain in numbers II-A: synaptic connections per structural type [closed]

The overall number of synapses in the human brain is roughly 1,000 trillion, i.e. 10,000 synapses per neuron. I assume that each structural type of neuron (basket, pyramidal, ...) has a somehow ...
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45 views

Control of neural systems [closed]

It turns out that my work in nonlinear dynamics directly maps to Integrate and Fire models and could even provide a new way to control them (manipulate the firing rates). However, it is unclear to me ...
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1answer
340 views

What is the mass of a human retina?

I'm struggling to find a reference for the mass or density of a human (monkey or rabbit would also work) retina. I'd appreciate any help!
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55 views

What are the microscopic mechanisms of plant branching?

For a long time I've been idly interested in how the shape of a complex organism gets determined during development at a microscopic level. Recently I've realized that plants could be a good place to ...
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1answer
39 views

Is there any species (subespecies?) whose DNA or RNA contains only in stem-loop structures?

I am a computer-scientist working in nucleic acids from the perspective of Formal Language Theory. I am dealing with several papers that analyze the Stem-Loop structure of DNA. I would like some ...
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Basic molecular biology of nucleic acids book for a mathematician studying DNA and RNA formally?

I am a mathematician studying DNA and RNA language from the perspective of Formal Language Theory. Note that I am aware of these posts: best book for a comprehensive introduction to biology for a ...
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104 views

Global database for patients with rare and important injuries or disease?

I was recently reading Christof Koch's The Quest for Consciousness, and several times he mentioned how important some patients with sad and terrible brain injuries were for the understanding of the ...
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1answer
1k views

Can DNA be considered as a fractal antenna?

I was reading about the consequences of using mobile phones and came across the statement that mobile phones are a potential source of cancers because DNA is a kind of a fractal antenna. The reason ...
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86 views

Are oysters really aphrodisiacs?

Oysters have been thought of as aphrodisiacs for millennia. Is this a case of the bark of a willow tree as a precursor to modern paracetamol, or some sort of marketing ploy. Is there any biological ...
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39 views

What amount of protein comprises the feces of a domestic cat?

I've heard it said that the fecal excrement of cats, Felis catus, contains adequate amounts of protein so as to attract the interest of other animals e.g. dogs (Canis familiaris). However, I am ...
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1k views

What is the structure of DNA polymerase III?

According to Snustard and Simmons the structure of DNA polymerase III is the following, where the clamp loader( γ -δ complex ) is present on one side: But according to Lehninger the clamp loader is ...
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2answers
952 views

Does the red blood cell in frogs undergo amitosis?

It is a notion particularly popular among Chinese high school Biology textbooks, that the red blood cells in frogs can undergo amitosis (not mitosis), a claim which I have not been able to find ...
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1answer
38 views

Why the total phosphorylation of certain neuronal proteins decrease during development?

Looking at the effects of RIM1a which is a protein involved in neurotransmitter release. Any ideas as to why its total phosphorylation decreases as the rats develop? Many thanks Image; https://i....
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1answer
136 views

Will sperm cells exhibit chemotaxis towards sucrose?

I was wondering if sperm cells will exhibit chemotaxis towards sucrose? One of my friends told me that sperm cells die in presence of salts. So I guess sperms will move away from salt. Can someone ...
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56 views

Are there any examples of weighted edit distance genome alignments?

It has been said that weighted edit distance is a preferred way to compare/align genomes in practice, e.g., when identifying genetically similar patients. I wonder if there are some concrete examples ...
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425 views

Is it possible to mathematically model the growth of plants?

Are there mathematical equations that represent/model the growth of plants? For example, if I have a Bellis perennis and I want to know how it develops in a given environment (Sun is shining, defined ...
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1answer
42 views

Is there a reference for the composition of viral genomes?

First of all forgive me for the bad written question. I'm not a biologist. I'm neither a doctor nor a virologist. I am a physicist actually, and I have this question in mind since a long while. What ...
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1answer
660 views

Are there biochemical differences between the cell membranes of prokaryotes and eukaryotes?

I would like to know if there is any difference in chemical composition of cellular bilayer lipid membrane between eukaryotes and prokaryotes. Specifically, I would like to know about the action of ...
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1answer
9k views

How long does it take for dopamine to reach normal levels after a significant drop?

The building block sequence for is: Phenylalanine << Tyrosine << L-Dopa << Dopamine. It’s produced in only a few, very specific regions: Substantia Nigra and the Ventral Tegmental ...
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190 views

Gene expression for mathematicians: where to start?

I am a PhD student in mathematics, and I will be involved on a project that aims to cluster (i.e. automatically group) people according to their gene expressions. Well, the project looks very nice, ...
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1answer
382 views

Difference between dysentery and bloody diarrhea

The difference between diarrhoea and dysentery is quite clear; but the appearance of blood in stool or bloody diarrhoea is a very confusing term when compared with dysentery. Are they different in the ...
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377 views

Anatomical Angle Made by the Fingers of an Extended Palm

Does the angle made by the fingers (excluding the thumb) of an extended palm (as shown in the figure below) have a name (such as the Lovibond or Cobb angle, for instance) ? I have already checked ...
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2answers
299 views

Is nucleoside-triphosphate delivery to RNA or DNA polymerase active or passive?

Are nucleoside triphosphates (NTPs) actively delivered to RNA polymerase (similarly dNTPs to DNA polymerase) through some active chaperoned process, or are they so abundant in the nucleus that they ...
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1answer
379 views

Clonality of tumour cells

Does all cancer cells come from a single clone of cells or are there evidences of polyclonal cancer cells too?
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256 views

Derivation of discrete replicator dynamics

Related: Discrete vs Continuous Replicator Dynamics I am trying to perform a derivation of the discrete time replicator dynamics, but I am unable to get through Cressman's derivation in "Evolutionary ...
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21 views

Growth of Axons

Does anybody know a paper in which the growth of axons, i. e. their length in dependence of time was measured? I did some literature mining myself, but couldn' t find any results. I'm looking for a ...
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112 views

Formulation of Biomass reaction for metabolic model [closed]

What are some good review articles that could help me develop basic knowledge regarding biomass equation formulation? I read this paper titled biomass objective function, but it only gives a general ...