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Questions tagged [history]

Questions relating to how the field of biology has developed over time.

2 votes
0 answers
34 views

How to understand restriction mapping a quarter of a century later?

Today, biology is virtually all based on massively parallel sequencing, long-strand sequencing, and metagenomic; looking back at old restriction mapping is not straightforward (at least for me). For ...
Gigiux's user avatar
  • 673
1 vote
1 answer
48 views

About tomatoes pigments, why red tomatoes rather than yellow ones

How the first tomatoes (yellow) that arrived in Europe turned from yellow to red ? I know the yellow pigment is xantophylle and the red one is lycopene, but my question is, was it an adaptation of the ...
Quidam's user avatar
  • 151
5 votes
1 answer
73 views

How was Campbell's Model of phage lambda integration into E. coli definitively proven?

In a series of seminal papers summarized in Annual Review in Genetics (2007) 41 1–11, Allan Campbell proposed a model that assumed phage lambda integration in its host (E. coli) genome. This is in ...
Gigiux's user avatar
  • 673
5 votes
1 answer
305 views

Where does Actino- come from in the genus Actinomycetota?

This comment under Bacteria trapped in crystal inclusions found 'alive' after 50,000 years - what were they eating all that time? links to Quintana, Badillo ann Maldonado (2013) ...
uhoh's user avatar
  • 5,598
3 votes
1 answer
480 views

Who demonstrated that phage lamba is integrated into the host chromosome?

In the 1950s, the Lederbergs (Esther and Joshua) demonstrated the presence of phage lamba in Escherichia coli K-12. But who demonstrated that this virus is integrated into the host's genome? Is there ...
Gigiux's user avatar
  • 673
0 votes
0 answers
36 views

What is important in the Luria-Latarjet effect?

In the seminal paper Luria, S.E. and Latarjet, R. (1964) “Ultraviolet irradiation of bacteriophage during intracellular growth”. Proceedings of the National Academy of Sciences of the United States ...
Gigiux's user avatar
  • 673
1 vote
2 answers
40 views

Preserving a sample for mtDNA and nuclear DNA analysis

Imagine a person in the early half of the 20th century (1900 to 1950) took some kind of sample(s) from a living human body using any technology of the era. They then stored it using any technology ...
CXJ's user avatar
  • 141
1 vote
2 answers
55 views

Who discovered that phage phiX174 has a single-stranded genome?

I have recently read that Erwin Chargaff has discovered that the genome of phage phiX174 (ϕχ174) is single-stranded. However I could not find the paper reporting this discovery. Is there a link to the ...
Gigiux's user avatar
  • 673
0 votes
1 answer
51 views

What were fed to the rodents in Calhoun's experiments?

From, (https://en.wikipedia.org/wiki/Behavioral_sink) (https://en.wikipedia.org/wiki/John_B._Calhoun) (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1644264/)(https://www.gwern.net/docs/sociology/1962-...
qdinar's user avatar
  • 119
6 votes
2 answers
321 views

Graph of new species discovered per year

I'm looking for historical data on the number of new species described each year. I found the RetroSOS report (page 3), which provides a time series for 2000–2009: ...
Jo Liss's user avatar
  • 163
8 votes
1 answer
434 views

Why were there relatively fewer papers about cell fusion before the 1950s?

While working on my cell fusion technology report, I saw PubMed's cell fusion graph of results by year. There have been studies or research since the early 1900s, but until the 1950s, there were no ...
Jaeyung Park's user avatar
-1 votes
1 answer
49 views

Can a dead fish be made to twitch via electrostimulation?

Galvani in the 1700s famously showed that a dead frog can be made to twitch by electric stimulation. The hind legs are particularly susceptible. Salt helps in the activation, as shown in these videos: ...
have_beard_will_ski's user avatar
-1 votes
1 answer
153 views

Giant inflatable laboratory in the jungle. How to find it?

When I was a child (circa year 2000), I watched a documentary (in English) about some biologists doing research about jungle (perhaps Amazon). The biologists lived in a base which was a huge ...
user46147's user avatar
  • 305
1 vote
0 answers
165 views

What are the definition of pecking order? [closed]

Pecking order is the phenomenon that dominating individual usually eat first. It is commonly observed in animals. In animals, it is often due to the fact that the strong individual won the fights for ...
High GPA's user avatar
  • 249
17 votes
2 answers
594 views

How to decipher references in natural history works of the late Renaissance and early Modernity?

Old botany books from the 17th, 18th and 19th centuries (and maybe also some later ones) enumerating lists of species used to give references to their sources as abbreviations consisting of one or few ...
botaflo's user avatar
  • 358

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