Genome size evaluations in cockroaches: new entries

In this paper, we report genome size (GS) values for nine cockroaches (order Blattodea, families Blattidae, Blaberidae and Ectobiidae, ex Blattelidae,), three of which are original additions to the ten already present in the GS database: the death’s head roach (Blaberus craniifer), the Surinam cock...

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Main Authors: Manuela Monti, CarloAlberto Redi, Ernesto Capanna
Format: Article
Language:English
Published: PAGEPress Publications 2022-03-01
Series:European Journal of Histochemistry
Subjects:
Online Access:https://ejh.it/index.php/ejh/article/view/3400
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author Manuela Monti
CarloAlberto Redi
Ernesto Capanna
author_facet Manuela Monti
CarloAlberto Redi
Ernesto Capanna
author_sort Manuela Monti
collection DOAJ
description In this paper, we report genome size (GS) values for nine cockroaches (order Blattodea, families Blattidae, Blaberidae and Ectobiidae, ex Blattelidae,), three of which are original additions to the ten already present in the GS database: the death’s head roach (Blaberus craniifer), the Surinam cockroach (Pycnoscelus surinamensis) and the Madeira cockroach (Leucophaea maderae). Regarding the American cockroach (Periplaneta americana), the GS database contains two contrasting values (2.72 vs 3.41 pg); likely, the 2.72 pg value is the correct one as it is strikingly similar to our sperm DNA content evaluation (2.80 ± 0.11 pg). Also, we suggest halving the published GS of the Argentine cockroach Blaptica dubia and the spotted cockroach (the gray cockroach) Nauphoeta cinerea discussing (i) the occurrence of a correlation between increasing 2N chromosome number and GS within the order Blattodea; and (ii) the possible occurrence of a polyploidization phenomenon doubling a basic GS of 0.58 pg of some termite families (superfamily Blattoidea, epifamily Termitoidae).
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spelling doaj.art-40b7028c765f4768835dea6be93b27992022-12-21T21:10:03ZengPAGEPress PublicationsEuropean Journal of Histochemistry1121-760X2038-83062022-03-0166210.4081/ejh.2022.3400Genome size evaluations in cockroaches: new entriesManuela Monti0CarloAlberto Redi1Ernesto Capanna2Department of Public Health, Experimental and Forensic Medicine, Histology and Embryology Unit, University of PaviaDepartment of Biology and Biotechnology “Lazzaro Spallanzani”, University of PaviaDepartment of Animal Biology “Agostino Bassi”, “La Sapienza” University of Rome In this paper, we report genome size (GS) values for nine cockroaches (order Blattodea, families Blattidae, Blaberidae and Ectobiidae, ex Blattelidae,), three of which are original additions to the ten already present in the GS database: the death’s head roach (Blaberus craniifer), the Surinam cockroach (Pycnoscelus surinamensis) and the Madeira cockroach (Leucophaea maderae). Regarding the American cockroach (Periplaneta americana), the GS database contains two contrasting values (2.72 vs 3.41 pg); likely, the 2.72 pg value is the correct one as it is strikingly similar to our sperm DNA content evaluation (2.80 ± 0.11 pg). Also, we suggest halving the published GS of the Argentine cockroach Blaptica dubia and the spotted cockroach (the gray cockroach) Nauphoeta cinerea discussing (i) the occurrence of a correlation between increasing 2N chromosome number and GS within the order Blattodea; and (ii) the possible occurrence of a polyploidization phenomenon doubling a basic GS of 0.58 pg of some termite families (superfamily Blattoidea, epifamily Termitoidae). https://ejh.it/index.php/ejh/article/view/3400genome sizeC-DNA contentcockroachesBlattodea
spellingShingle Manuela Monti
CarloAlberto Redi
Ernesto Capanna
Genome size evaluations in cockroaches: new entries
European Journal of Histochemistry
genome size
C-DNA content
cockroaches
Blattodea
title Genome size evaluations in cockroaches: new entries
title_full Genome size evaluations in cockroaches: new entries
title_fullStr Genome size evaluations in cockroaches: new entries
title_full_unstemmed Genome size evaluations in cockroaches: new entries
title_short Genome size evaluations in cockroaches: new entries
title_sort genome size evaluations in cockroaches new entries
topic genome size
C-DNA content
cockroaches
Blattodea
url https://ejh.it/index.php/ejh/article/view/3400
work_keys_str_mv AT manuelamonti genomesizeevaluationsincockroachesnewentries
AT carloalbertoredi genomesizeevaluationsincockroachesnewentries
AT ernestocapanna genomesizeevaluationsincockroachesnewentries