Theodosius Dobzhansky: Career Summary and Bibliography

Hecht, Max K.; Steere, William Campbell; Wallace, Bruce

doi:10.1007/978-1-4615-6950-3_9

Cited by 3 publications

(5 citation statements)

References 241 publications

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“…Factors governing reproductive success have a profound influence on shaping populations by affecting fitness [ 1 , 75 ]. Bountiful examples in nature include predation and parasitism [ 76 , 77 ]; however, anthropogenic influences such as industrial pollution and landscape fragmentation may also be important drivers [ 78 – 80 ].…”

Section: Discussionmentioning

confidence: 99%

Neonicotinoid insecticides can serve as inadvertent insect contraceptives

et al. 2016

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There is clear evidence for sublethal effects of neonicotinoid insecticides on non-target ecosystem service-providing insects. However, their possible impact on male insect reproduction is currently unknown, despite the key role of sex. Here, we show that two neonicotinoids (4.5 ppb thiamethoxam and 1.5 ppb clothianidin) significantly reduce the reproductive capacity of male honeybees (drones), Apis mellifera. Drones were obtained from colonies exposed to the neonicotinoid insecticides or controls, and subsequently maintained in laboratory cages until they reached sexual maturity. While no significant effects were observed for male teneral (newly emerged adult) body mass and sperm quantity, the data clearly showed reduced drone lifespan, as well as reduced sperm viability (percentage living versus dead) and living sperm quantity by 39%. Our results demonstrate for the first time that neonicotinoid insecticides can negatively affect male insect reproductive capacity, and provide a possible mechanistic explanation for managed honeybee queen failure and wild insect pollinator decline. The widespread prophylactic use of neonicotinoids may have previously overlooked inadvertent contraceptive effects on non-target insects, thereby limiting conservation efforts.

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Section: Discussionmentioning

confidence: 99%

Neonicotinoid insecticides can serve as inadvertent insect contraceptives

et al. 2016

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“…As a knowledge processor, each bacterium possesses hundreds of receptors on its cell wall awaiting the arrival of phages or plasmids. Such structure discernibly corresponds to an open, communal pool of knowledge-a large supragenetic space-in which extensive flow of knowledge is a permanent feature (Davey,et al [155,179,262,180]). The Scale-1's Volume 53-Issue 3 DOI: 10.26717/BJSTR.2023.53.008397 communal pattern of flow of knowledge has been characterized as a "global gene pool" and a "complex, dispersed, single global organism" (Sonea [181,245]).…”

Section: Knowledge Flow Dynamics Of Materials Scale-1mentioning

confidence: 99%

“…The intensity of knowledge flow in Scale-1 supragenetic space is impressive and can be gauged from observations of antibiotic resistance. For example, within a 10-year period, a bacterium's resistance to four antibiotics rose from 0% to 74%, merely by information that was somehow asked for by the bacteria facing the antibiotics and received from the supragenetic space that transmitted the needed piece of information (Davey, et al [262,179]). The knowledge-packets of Scale-1 such as plasmids, phages, and chromosomes, are not static.…”

Section: Knowledge Flow Dynamics Of Materials Scale-1mentioning

confidence: 99%

“…IS units are the shortest representatives of transposable elements-transposons. They can move from one locus to another, creating new gene combinations and juxtapositions, thus giving rise to many plasmid-plasmid, plasmid-phage, and plasmid-chromosome interactions (Davey, et al [262,179]). Complementing such diverse flows of genetic, epigenetic, and supragenetic knowledge is "conjugation," a direct transfer of DNA from one bacteria to another.…”

Section: Knowledge Flow Dynamics Of Materials Scale-1mentioning

confidence: 99%

“…Figure 4: An illustrative representation of channels of knowledge flow in Scale-1 (partly adopted from Davey and Reanney 1980, pp. 118-120) [179,262]. …”

mentioning

confidence: 99%

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"A Knowledge–Based Approach to Systematization of Life Processes"

Rafizadeh

2023

BJSTR

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A simple, nine-scale model of living systems consisting of five material scales, three knowledge scales, and one energy scale is introduced. It is shown that a systematic stratification of biological knowledge provides new insights into understanding of the material and energy flow processes. The model allows for an objective mapping of the knowledge-based genetic, epigenetic, and supragenetic spaces of different material scales that can also be approximated as an organizing principle.

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The Russian Backdrop to Dobzhansky’s Genetics and the Origin of Species

Konashev

2023

J Hist Biol

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Theodosius Dobzhansky: Career Summary and Bibliography

Cited by 3 publications

References 241 publications

Neonicotinoid insecticides can serve as inadvertent insect contraceptives

Neonicotinoid insecticides can serve as inadvertent insect contraceptives

"A Knowledge–Based Approach to Systematization of Life Processes"

The Russian Backdrop to Dobzhansky’s Genetics and the Origin of Species

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