2017
DOI: 10.1186/s12862-017-1029-5
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The first data on the innervation of the lophophore in the rhynchonelliform brachiopod Hemithiris psittacea: what is the ground pattern of the lophophore in lophophorates?

Abstract: Background: The nervous system in brachiopods has seldom been studied with modern methods. An understanding of lophophore innervation in adult brachiopods is useful for comparing the innervation of the same lophophore type among different brachiopods and can also help answer questions about the monophyly of the lophophorates. Although some brachiopods are studied with modern methods, rhynchonelliform brachiopods still require investigation. The current study used transmission electron microscopy, immunocytoche… Show more

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Cited by 21 publications
(54 citation statements)
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References 36 publications
(64 reference statements)
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“…However, the projection of the subperitoneal cells in gymnolaemates and cyclostomes has a much smaller diameter and never contains mitochondria, which are common in phylactolaemates. Similar subperitoneal cells or subperitoneal neurites have been never described either for phoronids (e.g., Pardos, Roldan, Benito, Aguirre, & Fernandez, ; Pardos, Roldan, Benito, & Emig, ; Temereva, ; Temereva & Tsitrin, ) or brachiopods (e.g., Kuzmina, Temereva, & Malakhov, ; Reed & Cloney, ; Storch & Welsch, ; Temereva, ; Temereva & Kuzmina, ; Temereva & Tsitrin, ). Unfortunately, the possible functions of subperitoneal cells are still unclear.…”
Section: Discussionmentioning
confidence: 55%
“…However, the projection of the subperitoneal cells in gymnolaemates and cyclostomes has a much smaller diameter and never contains mitochondria, which are common in phylactolaemates. Similar subperitoneal cells or subperitoneal neurites have been never described either for phoronids (e.g., Pardos, Roldan, Benito, Aguirre, & Fernandez, ; Pardos, Roldan, Benito, & Emig, ; Temereva, ; Temereva & Tsitrin, ) or brachiopods (e.g., Kuzmina, Temereva, & Malakhov, ; Reed & Cloney, ; Storch & Welsch, ; Temereva, ; Temereva & Kuzmina, ; Temereva & Tsitrin, ). Unfortunately, the possible functions of subperitoneal cells are still unclear.…”
Section: Discussionmentioning
confidence: 55%
“…Similar neurites with specific ultrastructure occur in the tentacles of phoronids [60] and brachiopods [11, 61]. In arcitulate brachiopods, these neurites are numerous and exhibit strong immunoreactivity against acetylated α-tubulin [61]. The presence of such an unusual element as basiperitoneal neurites makes the innervation of tentacles in all lophophorates quite similar and together with other common features of the lophophore neuroarchitecture suggest the homology of the lophophore.…”
Section: Discussionmentioning
confidence: 98%
“…According to some data [2], these neurites do not show immunoreactivity against acetylated α-tubulin and thereby cannot be regarded as nerve elements. Similar neurites with specific ultrastructure occur in the tentacles of phoronids [60] and brachiopods [11, 61]. In arcitulate brachiopods, these neurites are numerous and exhibit strong immunoreactivity against acetylated α-tubulin [61].…”
Section: Discussionmentioning
confidence: 99%
“…The presence of peritoneal neurites is characteristic of the tentacular nerve system of all lophophorates: these neurites have been described in phoronids [ 56 58 ], brachiopods [ 9 , 55 , 59 ], and bryozoans [ 10 , 32 , 49 , 60 ]. Peritoneal neurites have not been described in the tentacles of other coelomic bilaterians, and their presence in all lophophorates makes innervation of the tentacles a consistent characteristic of this group.…”
Section: Discussionmentioning
confidence: 99%