Spermatogenesis and gonadal cycle in male

Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were coll...
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Autor*in:	Tiseo, Gisele R. [verfasserIn] García-Rodríguez, Jimena [verfasserIn] Zara, Fernando J. [verfasserIn] Ames, Cheryl Lewis [verfasserIn] Marques, Antonio C. [verfasserIn] Morandini, André C. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm

Übergeordnetes Werk:	Enthalten in: No title available - 279, Seite 59-67
Übergeordnetes Werk:	volume:279 ; pages:59-67

DOI / URN:	10.1016/j.jcz.2018.12.008

Katalog-ID:	ELV002052946

Internformat


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245	1	0	\|a Spermatogenesis and gonadal cycle in male
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520			\|a Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors.
650		4	\|a Gonad
650		4	\|a Histology
650		4	\|a Histochemistry
650		4	\|a Box jellyfish
650		4	\|a Acrosomal vesicle
650		4	\|a Sperm
700	1		\|a García-Rodríguez, Jimena \|e verfasserin \|4 aut
700	1		\|a Zara, Fernando J. \|e verfasserin \|0 (orcid)0000-0002-7664-7674 \|4 aut
700	1		\|a Ames, Cheryl Lewis \|e verfasserin \|4 aut
700	1		\|a Marques, Antonio C. \|e verfasserin \|4 aut
700	1		\|a Morandini, André C. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t No title available \|g 279, Seite 59-67 \|w (DE-627)331018950 \|x 0044-5231 \|7 nnns
773	1	8	\|g volume:279 \|g pages:59-67
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912			\|a GBV_ILN_23
912			\|a GBV_ILN_24
912			\|a GBV_ILN_31
912			\|a GBV_ILN_32
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_151
912			\|a GBV_ILN_224
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
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952			\|d 279 \|h 59-67

Indexfelder

author_variant	g r t gr grt j g r jgr f j z fj fjz c l a cl cla a c m ac acm a c m ac acm
matchkey_str	article:00445231:2019----::praoeeiadoaac
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publishDate	2019
allfields	10.1016/j.jcz.2018.12.008 doi (DE-627)ELV002052946 (ELSEVIER)S0044-5231(18)30134-7 DE-627 ger DE-627 rda eng Tiseo, Gisele R. verfasserin (orcid)0000-0002-6113-7399 aut Spermatogenesis and gonadal cycle in male 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors. Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm García-Rodríguez, Jimena verfasserin aut Zara, Fernando J. verfasserin (orcid)0000-0002-7664-7674 aut Ames, Cheryl Lewis verfasserin aut Marques, Antonio C. verfasserin aut Morandini, André C. verfasserin aut Enthalten in No title available 279, Seite 59-67 (DE-627)331018950 0044-5231 nnns volume:279 pages:59-67 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 279 59-67
spelling	10.1016/j.jcz.2018.12.008 doi (DE-627)ELV002052946 (ELSEVIER)S0044-5231(18)30134-7 DE-627 ger DE-627 rda eng Tiseo, Gisele R. verfasserin (orcid)0000-0002-6113-7399 aut Spermatogenesis and gonadal cycle in male 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors. Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm García-Rodríguez, Jimena verfasserin aut Zara, Fernando J. verfasserin (orcid)0000-0002-7664-7674 aut Ames, Cheryl Lewis verfasserin aut Marques, Antonio C. verfasserin aut Morandini, André C. verfasserin aut Enthalten in No title available 279, Seite 59-67 (DE-627)331018950 0044-5231 nnns volume:279 pages:59-67 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 279 59-67
allfields_unstemmed	10.1016/j.jcz.2018.12.008 doi (DE-627)ELV002052946 (ELSEVIER)S0044-5231(18)30134-7 DE-627 ger DE-627 rda eng Tiseo, Gisele R. verfasserin (orcid)0000-0002-6113-7399 aut Spermatogenesis and gonadal cycle in male 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors. Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm García-Rodríguez, Jimena verfasserin aut Zara, Fernando J. verfasserin (orcid)0000-0002-7664-7674 aut Ames, Cheryl Lewis verfasserin aut Marques, Antonio C. verfasserin aut Morandini, André C. verfasserin aut Enthalten in No title available 279, Seite 59-67 (DE-627)331018950 0044-5231 nnns volume:279 pages:59-67 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 279 59-67
allfieldsGer	10.1016/j.jcz.2018.12.008 doi (DE-627)ELV002052946 (ELSEVIER)S0044-5231(18)30134-7 DE-627 ger DE-627 rda eng Tiseo, Gisele R. verfasserin (orcid)0000-0002-6113-7399 aut Spermatogenesis and gonadal cycle in male 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors. Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm García-Rodríguez, Jimena verfasserin aut Zara, Fernando J. verfasserin (orcid)0000-0002-7664-7674 aut Ames, Cheryl Lewis verfasserin aut Marques, Antonio C. verfasserin aut Morandini, André C. verfasserin aut Enthalten in No title available 279, Seite 59-67 (DE-627)331018950 0044-5231 nnns volume:279 pages:59-67 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 279 59-67
allfieldsSound	10.1016/j.jcz.2018.12.008 doi (DE-627)ELV002052946 (ELSEVIER)S0044-5231(18)30134-7 DE-627 ger DE-627 rda eng Tiseo, Gisele R. verfasserin (orcid)0000-0002-6113-7399 aut Spermatogenesis and gonadal cycle in male 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors. Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm García-Rodríguez, Jimena verfasserin aut Zara, Fernando J. verfasserin (orcid)0000-0002-7664-7674 aut Ames, Cheryl Lewis verfasserin aut Marques, Antonio C. verfasserin aut Morandini, André C. verfasserin aut Enthalten in No title available 279, Seite 59-67 (DE-627)331018950 0044-5231 nnns volume:279 pages:59-67 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 279 59-67
language	English
source	Enthalten in No title available 279, Seite 59-67 volume:279 pages:59-67
sourceStr	Enthalten in No title available 279, Seite 59-67 volume:279 pages:59-67
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm
isfreeaccess_bool	false
container_title	No title available
authorswithroles_txt_mv	Tiseo, Gisele R. @@aut@@ García-Rodríguez, Jimena @@aut@@ Zara, Fernando J. @@aut@@ Ames, Cheryl Lewis @@aut@@ Marques, Antonio C. @@aut@@ Morandini, André C. @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
hierarchy_top_id	331018950
id	ELV002052946
language_de	englisch
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author	Tiseo, Gisele R.
spellingShingle	Tiseo, Gisele R. misc Gonad misc Histology misc Histochemistry misc Box jellyfish misc Acrosomal vesicle misc Sperm Spermatogenesis and gonadal cycle in male
authorStr	Tiseo, Gisele R.
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topic_title	Spermatogenesis and gonadal cycle in male Gonad Histology Histochemistry Box jellyfish Acrosomal vesicle Sperm
topic	misc Gonad misc Histology misc Histochemistry misc Box jellyfish misc Acrosomal vesicle misc Sperm
topic_unstemmed	misc Gonad misc Histology misc Histochemistry misc Box jellyfish misc Acrosomal vesicle misc Sperm
topic_browse	misc Gonad misc Histology misc Histochemistry misc Box jellyfish misc Acrosomal vesicle misc Sperm
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title	Spermatogenesis and gonadal cycle in male
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title_full	Spermatogenesis and gonadal cycle in male
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author_browse	Tiseo, Gisele R. García-Rodríguez, Jimena Zara, Fernando J. Ames, Cheryl Lewis Marques, Antonio C. Morandini, André C.
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author-letter	Tiseo, Gisele R.
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title_sort	spermatogenesis and gonadal cycle in male
title_auth	Spermatogenesis and gonadal cycle in male
abstract	Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors.
abstractGer	Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors.
abstract_unstemmed	Spermatogenesis has been little studied in cubozoans. This work describes spermatogenesis of two cubozoan species from Brazil, Tamoya haplonema and Chiropsalmus quadrumanus, using light microscopy and histochemical techniques to highlight and contrast stages of the gonadal cycle. Specimens were collected by hand at the water surface or with shrimp trawls in three areas in the state of São Paulo (SE Brazil): Cananéia lagoon estuarine system (south), Santos and São Vicente Bay (central), and São Sebastião and Ubatuba (north). Male box jellyfish gonads are located between the mesoglea and gastrodermis in a thin and independent layer, organized in elongated follicles, macroscopically resembling a fingerprint pattern. After subsampling, serial sections were performed on male gonad tissue. The resulting slides were stained with hematoxylin and eosin and methods for staining proteins, acidic materials and neutral polysaccharides. Light microscopy revealed that the follicle wall of the male gonads of both cubozoan species is composed of spermatogonia. Spermatocytes are found peripherally near the follicle wall, while spermatids and spermatozoa are located towards the center. Sperm release occurs through rupture of the follicular wall into the gastric pockets. Four stages of gonad development were documented for T. haplonema and three for C. quadrumanus. The sperm of C. quadrumanus has a rounded head while in T. haplonema the sperm head is conical with an elongated apical projection. In both species, there was no positive histochemical reaction for putative acrosomal vesicles precursors.
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title_short	Spermatogenesis and gonadal cycle in male
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author2	García-Rodríguez, Jimena Zara, Fernando J. Ames, Cheryl Lewis Marques, Antonio C. Morandini, André C.
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Spermatogenesis and gonadal cycle in male

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